Files
OpenSign/apps/OpenSign/src/components/pdf/SignPad.js
T

621 lines
22 KiB
JavaScript

import React, { useRef, useState, useEffect } from "react";
import { useTranslation } from "react-i18next";
import SignatureCanvas from "react-signature-canvas";
function SignPad({
isSignPad,
isStamp,
setIsImageSelect,
onSaveSign,
setIsSignPad,
setImage,
isImageSelect,
imageRef,
onImageChange,
onSaveImage,
image,
defaultSign,
setSignature,
myInitial,
isInitial,
setIsInitial,
setIsStamp,
widgetType,
currWidgetsDetails,
setCurrWidgetsDetails
}) {
const { t } = useTranslation();
const [penColor, setPenColor] = useState("blue");
const allColor = ["blue", "red", "black"];
const canvasRef = useRef(null);
const [isDefaultSign, setIsDefaultSign] = useState(false);
const [isTab, setIsTab] = useState("draw");
const [isSignImg, setIsSignImg] = useState("");
const [signValue, setSignValue] = useState("");
const [textWidth, setTextWidth] = useState(0);
const [textHeight, setTextHeight] = useState(0);
const [signatureType, setSignatureType] = useState("draw");
const fontOptions = [
{ value: "Fasthand" },
{ value: "Dancing Script" },
{ value: "Cedarville Cursive" },
{ value: "Delicious Handrawn" }
// Add more font options as needed
];
const [fontSelect, setFontSelect] = useState(fontOptions[0].value);
const senderUser =
localStorage.getItem(
`Parse/${localStorage.getItem("parseAppId")}/currentUser`
) &&
localStorage.getItem(
`Parse/${localStorage.getItem("parseAppId")}/currentUser`
);
const jsonSender = JSON.parse(senderUser);
const currentUserName = jsonSender && jsonSender?.name;
//function for clear signature image
const handleClear = () => {
setCurrWidgetsDetails({});
if (isTab === "draw") {
if (canvasRef.current) {
canvasRef.current.clear();
} else if (isStamp) {
setImage("");
}
setIsSignImg("");
} else if (isTab === "uploadImage") {
setImage("");
}
// setIsInitial(false);
};
//function for set signature url
const handleSignatureChange = (data) => {
setSignature(data);
setIsSignImg(data);
};
//save button component
const SaveBtn = () => {
return (
<div>
{(isTab === "draw" || isTab === "uploadImage") && (
<button
type="button"
className="op-btn op-btn-ghost mr-1 mt-[2px]"
onClick={() => handleClear()}
>
{t("clear")}
</button>
)}
<button
onClick={() => {
setCurrWidgetsDetails({});
if (!image) {
if (isTab === "mysignature") {
setIsSignImg("");
if (isInitial) {
onSaveSign(signatureType, "initials");
} else {
onSaveSign(null, "default");
}
} else {
if (isTab === "type") {
setIsSignImg("");
onSaveSign(
null,
false,
!isInitial && textWidth > 150 ? 150 : textWidth,
!isInitial && textHeight > 35 ? 35 : textHeight
);
} else {
setIsSignImg("");
canvasRef.current.clear();
onSaveSign(signatureType);
}
}
setPenColor("blue");
} else {
setIsSignImg("");
onSaveImage(signatureType);
}
setIsSignPad(false);
setIsInitial(false);
setIsImageSelect(false);
setIsDefaultSign(false);
setImage();
setIsTab("draw");
setSignValue("");
setIsStamp(false);
}}
type="button"
className={`${
isSignImg || image || isDefaultSign || textWidth
? ""
: "pointer-events-none"
} op-btn op-btn-primary shadow-lg`}
disabled={
(isTab === "draw" && isSignImg) ||
(isTab === "image" && image) ||
(isTab === "mysignature" && isDefaultSign) ||
(isTab === "type" && signValue)
? false
: image
? false
: true
}
>
{t("save")}
</button>
</div>
);
};
//useEffect for set already draw or save signature url/text url of signature text type and draw type for initial type and signature type widgets
useEffect(() => {
if (currWidgetsDetails && canvasRef.current) {
const isWidgetType = currWidgetsDetails?.type;
const signatureType = currWidgetsDetails?.signatureType;
const url = currWidgetsDetails?.SignUrl;
//checking widget type and draw type signature url
if (isInitial) {
if (isWidgetType === "initials" && signatureType === "draw" && url) {
canvasRef.current.fromDataURL(url);
}
} else if (
isWidgetType === "signature" &&
signatureType === "draw" &&
url
) {
canvasRef.current.fromDataURL(url);
}
}
const trimmedName = currentUserName && currentUserName?.trim();
const firstCharacter = trimmedName?.charAt(0);
const userName = isInitial ? firstCharacter : currentUserName;
setSignValue(userName || "");
setFontSelect("Fasthand");
// eslint-disable-next-line react-hooks/exhaustive-deps
}, [isSignPad]);
useEffect(() => {
const loadFont = async () => {
try {
await document.fonts.load(`20px ${fontSelect}`);
const selectFontSTyle = fontOptions.find(
(font) => font.value === fontSelect
);
setFontSelect(selectFontSTyle?.value || fontOptions[0].value);
} catch (error) {
console.error("Error loading font:", error);
}
};
loadFont();
// eslint-disable-next-line react-hooks/exhaustive-deps
}, [fontSelect]);
useEffect(() => {
// Load the default signature after the component mounts
if (canvasRef.current) {
canvasRef.current.fromDataURL(isSignImg);
}
if (isTab === "type") {
const trimmedName = signValue
? signValue?.trim()
: currentUserName?.trim();
const firstCharacter = trimmedName?.charAt(0);
const userName = isInitial ? firstCharacter : signValue;
setSignValue(userName);
convertToImg(fontSelect, userName);
}
// eslint-disable-next-line react-hooks/exhaustive-deps
}, [isTab]);
//function for convert input text value in image
const convertToImg = async (fontStyle, text, color) => {
//get text content to convert in image
const textContent = text;
const fontfamily = fontStyle
? fontStyle
: fontSelect
? fontSelect
: "Fasthand";
const fontSizeValue = "40px";
//creating span for getting text content width
const span = document.createElement("span");
span.textContent = textContent;
span.style.font = `${fontSizeValue} ${fontfamily}`; // here put your text size and font family
span.style.color = color ? color : penColor;
span.style.display = "hidden";
document.body.appendChild(span); // Replace 'container' with the ID of the container element
//create canvas to render text in canvas and convert in image
const canvasElement = document.createElement("canvas");
// Draw the text content on the canvas
const ctx = canvasElement.getContext("2d");
const pixelRatio = window.devicePixelRatio || 1;
const addExtraWidth = isInitial ? 10 : 50;
const width = span.offsetWidth + addExtraWidth;
const height = span.offsetHeight;
setTextWidth(width);
setTextHeight(height);
const font = span.style["font"];
// Set the canvas dimensions to match the span
canvasElement.width = width * pixelRatio;
canvasElement.height = height * pixelRatio;
// You can customize text styles if needed
ctx.font = font;
ctx.fillStyle = color ? color : penColor; // Set the text color
ctx.textAlign = "center";
ctx.textBaseline = "middle";
ctx.scale(pixelRatio, pixelRatio);
// Draw the content of the span onto the canvas
ctx.fillText(span.textContent, width / 2, height / 2); // Adjust the x,y-coordinate as needed
//remove span tag
document.body.removeChild(span);
// Convert the canvas to image data
const dataUrl = canvasElement.toDataURL("image/png");
setSignature(dataUrl);
};
const PenColorComponent = (props) => {
return (
<div className="flex flex-row items-start">
{allColor.map((data, key) => {
return (
<i
style={{
margin: "5px",
color: data,
borderBottom:
key === 0 && penColor === "blue"
? "2px solid blue"
: key === 1 && penColor === "red"
? "2px solid red"
: key === 2 && penColor === "black"
? "2px solid black"
: "2px solid white"
}}
onClick={() => {
props?.convertToImg &&
props?.convertToImg(fontSelect, signValue, data);
if (key === 0) {
setPenColor("blue");
} else if (key === 1) {
setPenColor("red");
} else if (key === 2) {
setPenColor("black");
}
}}
key={key}
className="fa-light fa-pen-nib"
width={20}
height={20}
></i>
);
})}
</div>
);
};
return (
<div>
{isSignPad && (
<div className="op-modal op-modal-open">
<div className="op-modal-box px-[13px] pt-2 pb-0">
<div className="flex justify-between text-base-content items-center">
<div className="text-[1.2rem]">
<div className="flex flex-row justify-between mt-[3px]">
<div className="flex flex-row justify-between gap-[5px] md:gap-[8px] text-[11px] md:text-base">
{isStamp ? (
<span className="text-base-content font-bold text-lg">
{widgetType === "image" ||
currWidgetsDetails?.type === "image"
? t("upload-image")
: t("upload-stamp-image")}
</span>
) : (
<>
<div>
<span
onClick={() => {
setIsDefaultSign(false);
setIsImageSelect(false);
setIsTab("draw");
setImage();
if (isSignImg) {
setSignature(isSignImg);
}
}}
className={`${
isTab === "draw"
? "op-link-primary"
: "no-underline"
} op-link underline-offset-8 ml-[2px]`}
>
{t("draw")}
</span>
</div>
<div>
<span
onClick={() => {
setIsDefaultSign(false);
setIsImageSelect(true);
setIsTab("uploadImage");
setSignatureType("");
}}
className={`${
isTab === "uploadImage"
? "op-link-primary"
: "no-underline"
} op-link underline-offset-8 ml-[2px]`}
>
{t("upload-image")}
</span>
</div>
<div>
<span
onClick={() => {
setIsDefaultSign(false);
setIsImageSelect(false);
setIsTab("type");
setSignatureType("");
setImage();
}}
className={`${
isTab === "type"
? "op-link-primary"
: "no-underline"
} op-link underline-offset-8 ml-[2px]`}
>
{t("type")}
</span>
</div>
{!isInitial && defaultSign ? (
<div>
<span
onClick={() => {
setIsDefaultSign(true);
setIsImageSelect(true);
setIsTab("mysignature");
setSignatureType("");
setImage();
}}
className={`${
isTab === "mysignature"
? "op-link-primary"
: "no-underline"
} op-link underline-offset-8 ml-[2px]`}
>
{t("my-signature")}
</span>
</div>
) : (
isInitial &&
myInitial && (
<div>
<span
onClick={() => {
setIsDefaultSign(true);
setIsImageSelect(true);
setIsTab("mysignature");
setSignatureType("");
setImage();
}}
className={`${
isTab === "mysignature"
? "op-link-primary"
: "no-underline"
} op-link underline-offset-8 ml-[2px]`}
>
{t("my-initials")}
</span>
</div>
)
)}
</>
)}
</div>
</div>
</div>
<div
className="text-[1.5rem] cursor-pointer"
onClick={() => {
setPenColor("blue");
setIsSignPad(false);
setIsInitial(false);
setIsImageSelect(false);
setIsDefaultSign(false);
setImage();
setIsTab("draw");
setSignatureType("draw");
setSignValue("");
setIsStamp(false);
}}
>
&times;
</div>
</div>
<div className="p-[20px] h-full">
{isDefaultSign ? (
<>
<div className="flex justify-center">
<div
style={{
border: "1.3px solid #007bff",
borderRadius: "2px",
display: "flex",
flexDirection: "column",
justifyContent: "center",
alignItems: "center",
marginBottom: 6,
cursor: "pointer"
}}
className={
isInitial ? "intialSignatureCanvas" : "signatureCanvas"
}
>
<img
alt="stamp img"
className="w-full h-full object-contain bg-white"
draggable="false"
src={isInitial ? myInitial : defaultSign}
/>
</div>
</div>
<div className="flex justify-end">
<SaveBtn />
</div>
</>
) : isImageSelect || isStamp ? (
!image ? (
<div className="flex justify-center">
<div
style={{
border: "1.3px solid #007bff",
borderRadius: "2px",
display: "flex",
flexDirection: "column",
justifyContent: "center",
alignItems: "center",
marginBottom: 6,
cursor: "pointer"
}}
className={
isInitial ? "intialSignatureCanvas" : "signatureCanvas"
}
onClick={() => imageRef.current.click()}
>
<input
type="file"
onChange={onImageChange}
className="filetype"
accept="image/png,image/jpeg"
ref={imageRef}
hidden
/>
<i className="fa-light fa-cloud-upload-alt uploadImgLogo"></i>
<div className="text-[10px]">{t("upload")}</div>
</div>
</div>
) : (
<>
<div className="flex justify-center">
<div
style={{
border: "1.3px solid #007bff",
borderRadius: "2px",
marginBottom: 6,
overflow: "hidden"
}}
className={
isInitial
? "intialSignatureCanvas"
: "signatureCanvas"
}
>
<img
alt="print img"
ref={imageRef}
src={image.src}
draggable="false"
className=" object-contain h-full w-full"
/>
</div>
</div>
<div className="flex justify-end">
<SaveBtn />
</div>
</>
)
) : isTab === "type" ? (
<div>
<div className="flex justify-between items-center">
<span className="mr-[5px] text-[12px]">
{isInitial ? t("initial-teb") : t("signature-tab")}:
</span>
<input
maxLength={isInitial ? 3 : 30}
style={{ fontFamily: fontSelect, color: penColor }}
type="text"
className="ml-1 op-input op-input-bordered op-input-sm focus:outline-none hover:border-base-content w-full text-[20px]"
placeholder="Your signature"
value={signValue}
onChange={(e) => {
setSignValue(e.target.value);
convertToImg(fontSelect, e.target.value);
}}
/>
</div>
<div className="border-[1px] border-[#d6d3d3] mt-[10px] ml-[5px]">
{fontOptions.map((font, ind) => {
return (
<div
key={ind}
style={{
cursor: "pointer",
fontFamily: font.value,
backgroundColor:
fontSelect === font.value && "rgb(206 225 247)"
}}
onClick={() => {
setFontSelect(font.value);
convertToImg(font.value, signValue);
}}
>
<div
style={{
padding: "5px 10px 5px 10px",
fontSize: "20px",
color: penColor
}}
>
{signValue ? signValue : "Your signature"}
</div>
</div>
);
})}
</div>
<div className="flex flex-row justify-between mt-[10px]">
<PenColorComponent convertToImg={convertToImg} />
<SaveBtn />
</div>
</div>
) : (
<>
<div className="flex justify-center">
<SignatureCanvas
ref={canvasRef}
penColor={penColor}
canvasProps={{
className: isInitial
? "intialSignatureCanvas"
: "signatureCanvas",
style: {
border: "1.6px solid #007bff",
borderRadius: "2px"
}
}}
backgroundColor="rgb(255, 255, 255)"
onEnd={() =>
handleSignatureChange(canvasRef.current?.toDataURL())
}
dotSize={1}
/>
</div>
<div className="flex flex-row justify-between mt-[10px]">
<PenColorComponent />
<SaveBtn />
</div>
</>
)}
</div>
</div>
</div>
)}
</div>
);
}
export default SignPad;