1153 Dropzone-style file upload component #1437
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,39 @@ | ||
| import axios from "axios" | ||
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| interface CloudinaryUploadProps { | ||
| file: File | ||
| onUploadProgress: (progress: number) => void | ||
| cloudName: string | ||
| uploadPreset: string | ||
| tag?: string | ||
| } | ||
|
|
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| export const CloudinaryUpload = async ({ | ||
| file, | ||
| onUploadProgress, | ||
| cloudName, | ||
| uploadPreset, | ||
| tag = "browser_upload", | ||
| }: CloudinaryUploadProps) => { | ||
| const url = `https://api.cloudinary.com/v1_1/${cloudName}/upload` | ||
| const data = new FormData() | ||
| data.append("upload_preset", uploadPreset) | ||
| data.append("tags", tag) | ||
| data.append("file", file) | ||
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|
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| if (!cloudName || cloudName == "" || !uploadPreset || uploadPreset == "") { | ||
| const err = "Please supply a cloud name and upload preset for Cloudinary" | ||
| alert(err) | ||
| throw err | ||
| } | ||
|
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| const response = await axios.request({ | ||
| method: "post", | ||
| url: url, | ||
| data: data, | ||
| onUploadProgress: (p) => { | ||
| onUploadProgress(parseInt(((p.loaded / p.total) * 100).toFixed(0), 10)) | ||
| }, | ||
| }) | ||
| return response | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,17 @@ | ||
| .dropzone { | ||
| @apply border-2; | ||
| @apply border-gray-600; | ||
| @apply border-dashed; | ||
| @apply text-center; | ||
| padding: 2.5rem; | ||
| max-width: 32rem; | ||
| cursor: pointer; | ||
|
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| &.is-active { | ||
| @apply bg-accent-cool-light; | ||
| } | ||
| } | ||
|
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| .dropzone__progress { | ||
| max-width: 250px; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,48 @@ | ||
| import * as React from "react" | ||
| import { withKnobs, text } from "@storybook/addon-knobs" | ||
| import { CloudinaryUpload } from "./CloudinaryUpload" | ||
| import { Dropzone } from "./Dropzone" | ||
|
|
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| export default { | ||
| title: "Forms/Dropzone", | ||
| decorators: [(storyFn: any) => <div style={{ padding: "1rem" }}>{storyFn()}</div>, withKnobs], | ||
| } | ||
|
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| export const defaultDropzone = () => { | ||
| const [progressValue, setProgressValue] = React.useState(0) | ||
| const [cloudinaryImage, setCloudinaryImage] = React.useState("") | ||
| const cloudName = text("Cloudinary Cloud", "") | ||
| const uploadPreset = text("Upload Preset", "") | ||
|
|
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| const exampleUploader = (file: File) => { | ||
| CloudinaryUpload({ | ||
| file: file, | ||
| onUploadProgress: (progress) => { | ||
| setProgressValue(progress) | ||
| }, | ||
| cloudName, | ||
| uploadPreset, | ||
| }).then((response) => { | ||
| setProgressValue(100) | ||
| const imgUrl = `https://res.cloudinary.com/${cloudName}/image/upload/w_400,c_limit,q_65/${response.data.public_id}.jpg` | ||
| setCloudinaryImage(imgUrl) | ||
| }) | ||
| } | ||
|
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| return ( | ||
| <> | ||
| <Dropzone | ||
| id="test-uploading" | ||
| label="Upload File" | ||
| helptext="Select JPEG or PNG files" | ||
| uploader={exampleUploader} | ||
| accept="image/*" | ||
| progress={progressValue} | ||
| /> | ||
| {progressValue == 0 && ( | ||
| <p className="mt-16">(Provide Cloudinary credentials via the Knobs below.)</p> | ||
| )} | ||
| <img src={cloudinaryImage} style={{ width: "200px" }} /> | ||
| </> | ||
| ) | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,67 @@ | ||
| import React, { useCallback } from "react" | ||
| import { useDropzone } from "react-dropzone" | ||
| import { t } from "../helpers/translator" | ||
| import "./Dropzone.scss" | ||
|
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| interface DropzoneProps { | ||
| uploader: (file: File) => void | ||
| id: string | ||
| label: string | ||
| helptext?: string | ||
| accept?: string | string[] | ||
| progress?: number | ||
| className?: string | ||
| } | ||
|
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| const Dropzone = (props: DropzoneProps) => { | ||
| const { uploader } = props | ||
| const classNames = ["field"] | ||
| if (props.className) classNames.push(props.className) | ||
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| const onDrop = useCallback( | ||
| (acceptedFiles) => { | ||
| acceptedFiles.forEach((file: File) => uploader(file)) | ||
| }, | ||
| [uploader] | ||
| ) | ||
| const { getRootProps, getInputProps, isDragActive } = useDropzone({ | ||
| onDrop, | ||
| accept: props.accept, | ||
| maxFiles: 1, | ||
| }) | ||
|
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| const dropzoneClasses = ["dropzone", "control"] | ||
| if (isDragActive) dropzoneClasses.push("is-active") | ||
|
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| // Three states: | ||
| // * File dropzone by default | ||
| // * Progress > 0 and < 100 shows a progress bar | ||
| // * Progress 100 doesn't show progress bar or dropzone | ||
| return ( | ||
| <div className={classNames.join(" ")}> | ||
| <label htmlFor={props.id} className="label"> | ||
| {props.label} | ||
| </label> | ||
| {props.helptext && <p className="view-item__label mt-2 mb-4">{props.helptext}</p>} | ||
| {props.progress && props.progress === 100 ? ( | ||
| <></> | ||
| ) : props.progress && props.progress > 0 ? ( | ||
| <progress className="dropzone__progress" max="100" value={props.progress}></progress> | ||
| ) : ( | ||
| <div className={dropzoneClasses.join(" ")} {...getRootProps()}> | ||
| <input id={props.id} {...getInputProps()} /> | ||
|
There was a problem hiding this comment. Looks like this element is missing an accessible name or label. That makes it hard for people using screen readers or voice control to use the control. |
||
| {isDragActive ? ( | ||
| <p>{t("t.dropFilesHere")}</p> | ||
| ) : ( | ||
| <p> | ||
| {t("t.dragFilesHere")} {t("t.or")}{" "} | ||
| <u className="text-primary">{t("t.chooseFromFolder").toLowerCase()}</u> | ||
| </p> | ||
| )} | ||
| </div> | ||
| )} | ||
| </div> | ||
| ) | ||
| } | ||
|
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| export { Dropzone as default, Dropzone } | ||
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This image is missing a text alternative (
altattribute). This is a problem for people using screen readers.