mirror of
https://github.com/OpenSignLabs/OpenSign.git
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600 lines
20 KiB
JavaScript
600 lines
20 KiB
JavaScript
import React from "react";
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import { useRef, useState } from "react";
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import SignatureCanvas from "react-signature-canvas";
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import redPen from "../../assests/redPen.png";
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import bluePen from "../../assests/bluePen.png";
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import blackPen from "../../assests/blackPen.png";
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import { themeColor } from "../../utils/ThemeColor/backColor";
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import { useEffect } from "react";
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function SignPad({
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isSignPad,
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isStamp,
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setIsImageSelect,
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onSaveSign,
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setIsSignPad,
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setImage,
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isImageSelect,
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imageRef,
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onImageChange,
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onSaveImage,
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image,
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defaultSign,
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setSignature
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}) {
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const [penColor, setPenColor] = useState("blue");
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const allColor = [bluePen, redPen, blackPen];
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const canvasRef = useRef(null);
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const [isDefaultSign, setIsDefaultSign] = useState(false);
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const [isTab, setIsTab] = useState("draw");
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const [isSignImg, setIsSignImg] = useState("");
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const [signValue, setSignValue] = useState("");
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const [textWidth, setTextWidth] = useState(null);
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const [textHeight, setTextHeight] = useState(null);
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const fontOptions = [
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{ value: "Fasthand" },
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{ value: "Dancing Script" },
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{ value: "Cedarville Cursive" },
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{ value: "Delicious Handrawn" }
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// Add more font options as needed
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];
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const [fontSelect, setFontSelect] = useState(fontOptions[0].value);
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useEffect(() => {
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const senderUser =
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localStorage.getItem(
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`Parse/${localStorage.getItem("parseAppId")}/currentUser`
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) &&
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localStorage.getItem(
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`Parse/${localStorage.getItem("parseAppId")}/currentUser`
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);
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const jsonSender = JSON.parse(senderUser);
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const currentUserName = jsonSender && jsonSender.name;
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//function for clear signature
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setSignValue(currentUserName);
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setFontSelect("Fasthand");
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}, []);
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//function for clear signature image
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const handleClear = () => {
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if (isTab === "draw") {
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if (canvasRef.current) {
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canvasRef.current.clear();
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} else if (isStamp) {
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setImage("");
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}
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setIsSignImg("");
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} else if (isTab === "uploadImage") {
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}
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};
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//function for set signature url
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const handleSignatureChange = (dataURL) => {
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// canvasRef.current.backgroundColor = 'rgb(165, 26, 26)'
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setSignature(canvasRef.current.toDataURL());
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setIsSignImg(canvasRef.current.toDataURL());
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};
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//save button component
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const SaveBtn = () => {
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return (
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<div style={{ marginTop: "2px" }}>
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{(isTab === "draw" || isTab === "uploadImage") && (
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<button
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style={{
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color: "black",
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border: "1px solid #ccc"
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}}
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type="button"
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className="finishBtn saveBtn"
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onClick={() => handleClear()}
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>
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Clear
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</button>
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)}
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<button
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onClick={() => {
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if (!image) {
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if (isDefaultSign) {
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setIsSignImg("");
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onSaveSign(isDefaultSign);
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} else {
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if (isTab === "type") {
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setIsSignImg("");
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onSaveSign(false, textWidth, textHeight);
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} else {
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setIsSignImg("");
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onSaveSign();
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}
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}
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setPenColor("blue");
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} else {
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setIsSignImg("");
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onSaveImage();
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}
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setIsSignPad(false);
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setIsImageSelect(false);
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setIsDefaultSign(false);
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setImage();
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setIsTab("draw");
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}}
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style={{
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background: themeColor(),
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color: "white"
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}}
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disabled={
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isSignImg || image || isDefaultSign || textWidth ? false : true
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}
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type="button"
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className={
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isSignImg || image || isDefaultSign || textWidth
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? "finishBtn saveBtn"
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: "disabledFinish saveBtn"
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}
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>
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Save
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</button>
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</div>
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);
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};
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useEffect(() => {
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const loadFont = async () => {
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try {
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await document.fonts.load(`20px ${fontSelect}`);
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const selectFontSTyle = fontOptions.find(
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(font) => font.value === fontSelect
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);
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setFontSelect(selectFontSTyle?.value || fontOptions[0].value);
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} catch (error) {
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console.error("Error loading font:", error);
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}
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};
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loadFont();
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}, [fontSelect]);
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useEffect(() => {
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// Load the default signature after the component mounts
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if (canvasRef.current) {
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canvasRef.current.fromDataURL(isSignImg);
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}
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if (isTab === "type") {
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convertToImg(fontSelect, signValue);
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}
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}, [isTab]);
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//function for convert input text value in image
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const convertToImg = async (fontStyle, text) => {
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//get text content to convert in image
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const textContent = text;
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const fontfamily = fontStyle
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? fontStyle
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: fontSelect
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? fontSelect
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: "Fasthand";
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//creating span for getting text content width
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const span = document.createElement("span");
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span.textContent = textContent;
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span.style.font = `20px ${fontfamily}`; // here put your text size and font family
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span.style.display = "hidden";
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document.body.appendChild(span); // Replace 'container' with the ID of the container element
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//create canvas to render text in canvas and convert in image
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const canvasElement = document.createElement("canvas");
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// Draw the text content on the canvas
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const ctx = canvasElement.getContext("2d");
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const pixelRatio = window.devicePixelRatio || 1;
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const width = span.offsetWidth;
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const height = span.offsetHeight;
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setTextWidth(width);
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setTextHeight(height);
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const font = span.style["font"];
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// Set the canvas dimensions to match the span
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canvasElement.width = width * pixelRatio;
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canvasElement.height = height * pixelRatio;
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// Render the content of the span onto the canvas
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// ctx.fillStyle = "white"; // Set the background color of the canvas
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// ctx.fillRect(0, 0, width*pixelRatio, height*pixelRatio);
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// You can customize text styles if needed
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ctx.font = font;
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ctx.fillStyle = "black"; // Set the text color
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ctx.textAlign = "center";
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ctx.textBaseline = "middle";
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ctx.scale(pixelRatio, pixelRatio);
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// Draw the content of the span onto the canvas
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ctx.fillText(span.textContent, width / 2, height / 2); // Adjust the x,y-coordinate as needed
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//remove span tag
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document.body.removeChild(span);
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// Convert the canvas to image data
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const dataUrl = canvasElement.toDataURL("image/png");
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setSignature(dataUrl);
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};
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return (
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<div>
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{isSignPad && (
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<div className="modaloverlay">
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<div className="modalcontainer">
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<div
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className="modalheader"
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style={{ padding: "0 13px", marginTop: "5px" }}
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>
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<div className="modaltitle">
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<div
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style={{
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display: "flex",
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flexDirection: "row",
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justifyContent: "space-between",
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background: "white",
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marginTop: "3px"
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}}
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>
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<div
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style={{
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display: "flex",
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flexDirection: "row",
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justifyContent: "space-around",
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alignItems: "end",
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gap: 10
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}}
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>
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{isStamp ? (
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<span style={{ color: themeColor() }} className="signTab">
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Upload stamp image
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</span>
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) : (
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<>
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<div>
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<span
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onClick={() => {
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setIsDefaultSign(false);
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setIsImageSelect(false);
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setIsTab("draw");
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setImage();
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}}
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style={{
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color:
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isTab === "draw" ? themeColor() : "#515252",
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marginLeft: "2px"
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}}
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className="signTab"
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>
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Draw
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</span>
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<div
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style={{
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border:
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isTab === "draw"
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? "1.5px solid #108783"
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: "1.5px solid #ffffff"
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}}
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></div>
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</div>
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<div>
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<span
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onClick={() => {
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setIsDefaultSign(false);
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setIsImageSelect(true);
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setIsTab("uploadImage");
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}}
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style={{
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color:
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isTab === "uploadImage"
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? themeColor()
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: "#515252"
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}}
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className="signTab"
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>
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Upload Image
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</span>
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<div
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style={{
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border:
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isTab === "uploadImage"
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? "1.5px solid #108783"
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: "1.5px solid #ffffff"
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}}
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></div>
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</div>
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<div>
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<span
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onClick={() => {
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setIsDefaultSign(false);
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setIsImageSelect(false);
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setIsTab("type");
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setImage();
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}}
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style={{
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color:
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isTab === "type" ? themeColor() : "#515252",
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marginLeft: "2px"
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}}
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className="signTab"
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>
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Type
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</span>
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<div
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style={{
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border:
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isTab === "type"
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? "1.5px solid #108783"
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: "1.5px solid #ffffff"
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}}
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></div>
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</div>
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{defaultSign && (
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<div>
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<span
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onClick={() => {
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setIsDefaultSign(true);
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setIsImageSelect(true);
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setIsTab("mysignature");
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setImage();
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}}
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style={{
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color:
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isTab === "mysignature"
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? themeColor()
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: "#515252"
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}}
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className="signTab"
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>
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My Signature
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</span>
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<div
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style={{
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border:
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isTab === "mysignature"
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? "1.5px solid #108783"
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: "1.5px solid #ffffff"
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}}
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></div>
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</div>
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)}
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</>
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)}
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</div>
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</div>
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</div>
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<div
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className="closebtn"
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style={{ color: "black" }}
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onClick={() => {
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setPenColor("blue");
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setIsSignPad(false);
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setIsImageSelect(false);
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setIsDefaultSign(false);
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setImage();
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setIsTab("draw");
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}}
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>
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×
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</div>
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</div>
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<div style={{ height: "100%", padding: 20 }}>
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{isDefaultSign ? (
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<>
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<div
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style={{
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border: "1px solid black",
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display: "flex",
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flexDirection: "column",
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justifyContent: "center",
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alignItems: "center",
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marginBottom: 6,
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cursor: "pointer"
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}}
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className="signatureCanvas"
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>
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<img
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alt="stamp img"
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style={{
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width: "100%",
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height: "100%",
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background: "rgb(255, 255, 255)",
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objectFit: "contain"
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}}
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src={defaultSign}
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/>
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</div>
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<div style={{ display: "flex", justifyContent: "flex-end" }}>
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<SaveBtn />
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</div>
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</>
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) : isImageSelect || isStamp ? (
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!image ? (
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<div
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style={{
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border: "1px solid black",
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display: "flex",
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flexDirection: "column",
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justifyContent: "center",
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alignItems: "center",
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marginBottom: 6,
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cursor: "pointer"
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}}
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className="signatureCanvas"
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onClick={() => imageRef.current.click()}
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>
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<input
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type="file"
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onChange={onImageChange}
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className="filetype"
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accept="image/*"
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ref={imageRef}
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hidden
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/>
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<i className="fas fa-cloud-upload-alt uploadImgLogo"></i>
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<div className="uploadImg">Upload</div>
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</div>
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) : (
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<>
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<div
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style={{
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border: "1px solid black",
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marginBottom: 6,
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overflow: "hidden"
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}}
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className="signatureCanvas"
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>
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<img
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alt="print img"
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ref={imageRef}
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src={image.src}
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style={{
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objectFit: "contain",
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height: "100%",
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width: "100%"
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}}
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/>
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</div>
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<div
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style={{ display: "flex", justifyContent: "flex-end" }}
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>
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<SaveBtn />
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</div>
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</>
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)
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) : isTab === "type" ? (
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<div>
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<div
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style={{
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display: "flex",
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justifyContent: "space-between",
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alignItems: "center"
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}}
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>
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<span className="signatureText">Signature:</span>
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<input
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maxLength={30}
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style={{ fontFamily: fontSelect }}
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type="text"
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className="signatureInput"
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placeholder="Your signature"
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value={signValue}
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onChange={(e) => {
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setSignValue(e.target.value);
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convertToImg(fontSelect, e.target.value);
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}}
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/>
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</div>
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<div className="fontOptionContainer">
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{fontOptions.map((font, ind) => {
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return (
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<div
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key={ind}
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style={{
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cursor: "pointer",
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fontFamily: font.value,
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backgroundColor:
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fontSelect === font.value && "rgb(206 225 247)"
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}}
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onClick={() => {
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setFontSelect(font.value);
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convertToImg(font.value, signValue);
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}}
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>
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<div
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style={{
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padding: "5px 10px 5px 10px",
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fontSize: "20px"
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}}
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>
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{signValue ? signValue : "Your signature"}
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</div>
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</div>
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);
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})}
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</div>
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<div style={{ display: "flex", justifyContent: "flex-end" }}>
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<SaveBtn />
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</div>
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</div>
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) : (
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<>
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<SignatureCanvas
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ref={canvasRef}
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penColor={penColor}
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canvasProps={{
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className: "signatureCanvas"
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}}
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backgroundColor="rgb(255, 255, 255)"
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onEnd={() =>
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handleSignatureChange(canvasRef.current.toDataURL())
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}
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dotSize={1}
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/>
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<div
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style={{
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display: "flex",
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flexDirection: "row",
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justifyContent: "space-between",
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marginTop: "10px"
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}}
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>
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<div style={{ display: "flex", flexDirection: "row" }}>
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{allColor.map((data, key) => {
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return (
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<img
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key={key}
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alt="pen img"
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style={{
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border: "none",
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margin: "5px",
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borderBottom:
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key === 0 && penColor === "blue"
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? "2px solid blue"
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: key === 1 && penColor === "red"
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? "2px solid red"
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: key === 2 && penColor === "black"
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? "2px solid black"
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: "2px solid white"
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}}
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onClick={() => {
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if (key === 0) {
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setPenColor("blue");
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} else if (key === 1) {
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setPenColor("red");
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} else if (key === 2) {
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setPenColor("black");
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}
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}}
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src={data}
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width={20}
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height={20}
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/>
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);
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})}
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</div>
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<SaveBtn />
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</div>
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</>
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)}
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</div>
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</div>
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</div>
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)}
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</div>
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);
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}
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export default SignPad;
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