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19 feat 파일 업로드 페이지 #23

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Merged
Eunjin03 merged 3 commits into from
Mar 22, 2025
Merged

19 feat 파일 업로드 페이지 #23

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46134ca
Design: 파일 업로드 페이지 디자인 완료 (#19)
Eunjin03 Mar 22, 2025
77eb421
Feat: 파일 드래그 앤 드랍 구현 (#19)
Eunjin03 Mar 22, 2025
7372435
Feat: 자료 업로드 클릭 시 데이터 가져오기 (#19)
Eunjin03 Mar 22, 2025
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14 changes: 14 additions & 0 deletions src/assets/image/remove.svg
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4 changes: 4 additions & 0 deletions src/assets/image/upload.svg
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92 changes: 92 additions & 0 deletions src/pages/FileUploadPage/FileUpload.style.ts
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import styled from "styled-components";

export const UploadWrapper = styled.div`
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
width: 55vh;
height: 330px;
flex-shrink: 0;
border-radius: 16px;
border: 0px solid #9095a1;
background: #fff;
box-shadow: 0px 0px 2px 0px rgba(23, 26, 31, 0.12),
0px 4px 9px 0px rgba(23, 26, 31, 0.11);

.desdiv {
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
padding: 16px;
height: 200px;
gap: 20%;
}

.text {
color: #379ae6;
text-align: center;
font-family: Archivo;
font-size: 18px;
font-style: normal;
font-weight: 500;
line-height: 28px; /* 155.556% */
}

.UploadWrapperActive {
background: #0000000f;
width: 400px;
height: 200px;
border: 2px dotted black;
opacity: 0.7;
}

.UploadArea {
display: flex;
justify-content: center;
align-items: center;
width: 100%;
height: 100%;
}

.FileContainer {
display: flex;
flex-direction: column;
justify-content: center;
align-items: start;
margin-top: 10px;
gap: 2px;
}

.UploadFile {
display: flex;
flex-direction: row;
justify-content: space-between;
align-items: center;
width: 100%;
padding: 5px;
background-color: #0000000f;
border-radius: 5px;
}

.Filename {
display: flex;
flex-direction: row;
justify-content: center;
align-items: center;
}

.DeleteBtn {
display: flex;
flex-direction: row;
justify-content: center;
align-items: center;
text-align: center;
vertical-align: center;
}

.DeleteBtn:hover {
cursor: pointer;
}
`;
157 changes: 157 additions & 0 deletions src/pages/FileUploadPage/FileUpload.tsx
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import * as S from "@/pages/FileUploadPage/FileUpload.style";
import { ChangeEvent, useCallback, useRef, useState, useEffect } from "react";
import upload from "@/assets/image/upload.svg";
import remove from "@/assets/image/remove.svg";

interface FileFormat {
id: number;
content: File;
}

const Upload = () => {
const [files, setFiles] = useState<FileFormat[]>([]);
const [isDragging, setIsDragging] = useState<boolean>(false);
const dragRef = useRef<HTMLLabelElement | null>(null);
const fileId = useRef<number>(0);

const onChangeFiles = useCallback(
(e: ChangeEvent<HTMLInputElement> | any): void => {
let selectFiles: File[] = [];
let tempFiles: FileFormat[] = [];

e.type === "drop"
? (selectFiles = e.dataTransfer.files)
: (selectFiles = e.target.files);

// 새로운 파일을 하나만 추가
const file = selectFiles[0];
if (file) {
tempFiles = [
{
id: fileId.current++,
content: file,
},
];
setFiles(tempFiles);
}
},
[]
);

const handleLabelClick = (e: any) => {
e.preventDefault();
};

const handleDeleteFile = useCallback(
(id: number): void => {
setFiles(files.filter((file: FileFormat) => file.id !== id));
},
[files]
);

const handleDragIn = useCallback((e: DragEvent): void => {
e.preventDefault();
e.stopPropagation();
}, []);

const handleDragOut = useCallback((e: DragEvent): void => {
e.preventDefault();
e.stopPropagation();

setIsDragging(false);
}, []);

const handleDragOver = useCallback((e: DragEvent): void => {
e.preventDefault();
e.stopPropagation();

if (e.dataTransfer!.files) {
setIsDragging(true);
}
}, []);

const handleDrop = useCallback(
(e: DragEvent): void => {
e.preventDefault();
e.stopPropagation();

onChangeFiles(e);
setIsDragging(false);
},
[onChangeFiles]
);

const initDragEvents = useCallback((): void => {
if (dragRef.current !== null) {
dragRef.current.addEventListener("dragenter", handleDragIn);
dragRef.current.addEventListener("dragleave", handleDragOut);
dragRef.current.addEventListener("dragover", handleDragOver);
dragRef.current.addEventListener("drop", handleDrop);
}
}, [handleDragIn, handleDragOut, handleDragOver, handleDrop]);

const resetDragEvents = useCallback((): void => {
if (dragRef.current !== null) {
dragRef.current.removeEventListener("dragenter", handleDragIn);
dragRef.current.removeEventListener("dragleave", handleDragOut);
dragRef.current.removeEventListener("dragover", handleDragOver);
dragRef.current.removeEventListener("drop", handleDrop);
}
}, [handleDragIn, handleDragOut, handleDragOver, handleDrop]);

useEffect(() => {
initDragEvents();
return () => resetDragEvents();
}, [initDragEvents, resetDragEvents]);

return (
<S.UploadWrapper>
<div
className={`${isDragging ? "UploadWrapperActive" : "UploadWrapper"}`}
>
<label
className="UploadArea"
htmlFor="fileUpload"
ref={dragRef}
onClick={handleLabelClick}
>
{files.length === 0 ? (
<div className="desdiv">
<img src={upload} alt="upload" />
<span className="text">파일을 드래그 하여 업로드</span>
</div>
) : (
""
)}
</label>
</div>

<div className="FileContainer">
{files.length > 0 &&
files.map((file: FileFormat) => {
const {
id,
content: { name },
} = file;

return (
<div className="UploadFile" key={id}>
<div className="Filename">{name} </div>
<div className="DeleteBtn" onClick={() => handleDeleteFile(id)}>
<img src={remove} alt="remove" />
</div>
</div>
);
})}
</div>
<input
type="file"
id="fileUpload"
style={{ display: "none" }}
onChange={onChangeFiles} // 하나의 파일만 추가
/>
</S.UploadWrapper>
);
};

export default Upload;
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