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app.jsx
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app.jsx
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const {useRef, useState, useEffect} = React;
const {fromEvent} = fileSelector;
const app = document.getElementById('app');
function HomePage() {
const [pythonOutput, setPythonOutput] = useState('');
const [pythonCode, setPythonCode] = useState('');
const [dabAnalysisImages, setDabAnalysisImages] = useState([]);
const [downloadZip, setDownloadZip] = useState(false);
return (
<>
<div className="grid grid-cols-2">
<FileZone setPythonCode={setPythonCode} pythonOutput={pythonOutput} setPythonOutput={setPythonOutput} dabAnalysisImages={dabAnalysisImages} setDabAnalysisImages={setDabAnalysisImages} />
<ParameterForm dabAnalysisImages={dabAnalysisImages} setDabAnalysisImages={setDabAnalysisImages} setPythonCode={setPythonCode} pythonOutput={pythonOutput} setDownloadZip={setDownloadZip}/>
</div>
<Pyodide pythonCode={pythonCode} setPythonCode={setPythonCode} pythonOutput={pythonOutput} setPythonOutput={setPythonOutput} dabAnalysisImages={dabAnalysisImages} setDownloadZip={setDownloadZip} downloadZip={downloadZip}/>
</>
);
}
function FileZone({setPythonCode, pythonOutput, setPythonOutput, dabAnalysisImages, setDabAnalysisImages}) {
useEffect(() => {
if (dabAnalysisImages.length > 0 && pythonOutput.length > 0) {
let pythonOutputObject = JSON.parse(pythonOutput.toString());
if (pythonOutputObject['status'] == 'generator created') {
console.log(pythonOutputObject);
}
else if (pythonOutputObject['status'] == 'generator in progress' || pythonOutputObject['status'] == 'generator completed') {
console.log(pythonOutputObject);
let dabAnalysisImage = dabAnalysisImages[pythonOutputObject.id]
dabAnalysisImage.outputImage = pythonOutputObject.result
setDabAnalysisImages(dabAnalysisImages.map((value, index) => {return (index == pythonOutputObject.id) ? dabAnalysisImage : value}));
} else if (pythonOutputObject['status'] == 'preview') {
let dabAnalysisImage = dabAnalysisImages[pythonOutputObject.id]
dabAnalysisImage.outputImage = pythonOutputObject.result
setDabAnalysisImages(dabAnalysisImages.map((value, index) => {return (index == pythonOutputObject.id) ? dabAnalysisImage : value}));
}
// Reset pythonOutput to empty string after using it
// TODO: Avoid this pattern
setPythonOutput('')
}
}, [pythonOutput])
async function preview(id) {
// Set processing message
let dabAnalysisImage = dabAnalysisImages[id]
dabAnalysisImage.outputImage = `processing`
await setDabAnalysisImages(dabAnalysisImages.map((value, index) => {return (index == id) ? dabAnalysisImage : value}))
// Run python
await setPythonCode(
`json.dumps({
"status": "preview",
"id": ${id},
"result": analysispreview(
${id},
"${dabAnalysisImages[id].file.name}"
)
})`
)
}
return (
<>
<FileDropZone dabAnalysisImages={dabAnalysisImages} setDabAnalysisImages={setDabAnalysisImages} />
<FileDisplayZone dabAnalysisImages={dabAnalysisImages} preview={preview} />
</>
)
}
function FileDropZone({dabAnalysisImages, setDabAnalysisImages}) {
// Display dabAnalysisImages in console whenever it changes
useEffect(() => {console.log(dabAnalysisImages)}, [dabAnalysisImages])
async function uploadFiles(files) {
// Array destructuring ([...files] so that we get an array of Files instead of a DabAnalysisImages object
// Then filter for MIME type of image/*
var imageFiles = [...files].filter((file) => {return file.type.startsWith('image/')});
// Create new data structure to store images and results together
var dabAnalysisImages = imageFiles.map((file) => {return {file: file, outputImage: undefined, outputCsv: undefined}})
setDabAnalysisImages(dabAnalysisImages);
}
async function onDrop(evt) {
evt.preventDefault();
// Using fromEvent from this react-dropzone/file-selector library to convert drop event into file list
// is nice because it deals with both directories and files, and traverses directory trees
const files = await fromEvent(evt);
uploadFiles(files);
};
async function onDragOver(evt) {
// Stop browser from just opening the file in a new tab
// Requires intercepting the dragover event as well as the drop event
evt.preventDefault();
};
return (
<div id="static-modal" data-modal-backdrop="static" tabIndex="-1" aria-hidden="true"
className={`${dabAnalysisImages.length > 0 ? 'hidden': ''} overflow-y-hidden overflow-x-hidden fixed top-0 right-0 bottom-0 left-0 z-50 flex h-screen justify-center items-center bg-gray-300 bg-opacity-50 `
}>
<div
onDragOver={onDragOver}
onDrop={onDrop}
className="flex items-center justify-center w-full h-full min-w-[40rem]"
>
<div className="h-full w-full mx-[10rem] items-center justify-center">
<div className="flex flex-col w-full h-full items-center justify-center">
<label htmlFor="dropzone-file" className="flex flex-col items-center justify-center w-full h-full m-10 border-2 border-gray-300 border-dashed rounded-lg cursor-pointer bg-white dark:hover:bg-bray-800 dark:bg-gray-700 hover:bg-gray-100 dark:border-gray-600 dark:hover:border-gray-500 dark:hover:bg-gray-600">
<svg className="w-10 h-10 mb-3 text-black" fill="none" stroke="currentColor" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><path strokeLinecap="round" strokeLinejoin="round" strokeWidth="2" d="M7 16a4 4 0 01-.88-7.903A5 5 0 1115.9 6L16 6a5 5 0 011 9.9M15 13l-3-3m0 0l-3 3m3-3v12"></path></svg>
<p className="mb-2 text-sm text-black text-center"><span className="font-semibold">Click to upload</span> or drag and drop</p>
</label>
{/* Note: File selector in HTML file input doesn't support choosing both files and directories from the same dialog.
For now, drag and drop, or highlight multiple files if you want to upload a whole directory at once */}
<input onChange={(evt) => {uploadFiles(evt.target.files)}} id="dropzone-file" type="file" className="hidden" multiple />
</div>
</div>
</div>
</div>
)
}
function FileDisplayZone({dabAnalysisImages, preview}) {
return (
<table className="text-left w-full h-dvh">
<thead className="bg-black flex text-white w-full">
<tr className="flex w-full mb-4">
<th className="p-4 w-1/3">FileName</th>
<th className="p-4 w-1/3">Image</th>
<th className="p-4 w-1/3">Output preview</th>
</tr>
</thead>
<tbody className="bg-grey-light flex flex-col items-center justify-between overflow-auto w-full h-full">
{dabAnalysisImages.map((file, index)=>(
<tr className="flex w-full mb-4" key={index}>
<td className="p-4 w-1/3">{file.file.name}</td>
<td className="p-4 w-1/3"><ImageFileViewer file={file.file} /></td>
<td className="p-4 w-1/3"><OutputPreviewViewer dabImage={file} id={index} preview={preview} /></td>
</tr>
))}
</tbody>
</table>
)
}
function ZoomableImage({src}) {
const [zoomed, setZoomed] = useState(false);
const divZoomedClasses = "overflow-y-hidden overflow-x-hidden fixed top-0 right-0 bottom-0 left-0 z-50 flex justify-center items-center w-full h-full m-0 bg-gray-300 bg-opacity-50 cursor-zoom-out";
const divUnzoomedClasses = "cursor-zoom-in h-30";
const imgZoomedClasses = "object-scale-down h-[calc(100vh-2rem)] border-2 border-gray-300 border-dashed rounded-lg ";
const imgUnzoomedClasses= "object-scale-down h-full";
return (
<>
{/* Show unzoomed version at all times so layout isn't messed up during zoom */}
<div className={divUnzoomedClasses} onClick={() => {setZoomed(true)}}>
<img src={src} className={imgUnzoomedClasses}/>
</div>
{/* Show zoomed version only when 'zoomed' is true */}
{zoomed && <div className={divZoomedClasses} onClick={() => {setZoomed(false)}}>
<img src={src} className={imgZoomedClasses}/>
</div>}
</>
)
}
function ImageFileViewer({file}) {
const [imgSrc, setImgSrc] = useState('');
useEffect(() => {
// Only set imgSrc once FileReader has loaded
const reader = new FileReader()
reader.onloadend = () => {
// Check image MIME type using start of base64 string
if (reader.result.startsWith("data:image/tiff")) {
// If tiff image, we need Array Buffer instead of DataURL
const tiffReader = new FileReader()
tiffReader.onloadend = () => {
Tiff.initialize({TOTAL_MEMORY: 16777216 * 10});
var tiff = new Tiff({buffer: tiffReader.result});
// Create canvas with image, then convert that canvas to a base64 DataURL
// to set as img src
setImgSrc(tiff.toCanvas().toDataURL());
}
tiffReader.readAsArrayBuffer(file)
} else {
// If other image, just directly set the base64 DataURL as img src
setImgSrc(reader.result);
}
}
reader.readAsDataURL(file)
}, [file])
return <ZoomableImage src={imgSrc}/>
}
function OutputPreviewViewer({dabImage, id, preview}) {
if (dabImage && dabImage.outputImage == 'processing') {
// this is not a very responsive way of putting up a 'running' message
return <p>Running...</p>
} else if (dabImage && dabImage.outputImage) {
return <ZoomableImage src={`data:image/png;base64,${dabImage.outputImage}`} />
} else {
return (
<>
<button onClick={async () => {await preview(id)}} className="bg-blue-500 hover:bg-blue-700 text-white font-bold py-2 px-4 rounded">Run Preview Analysis</button>
</>
)
}
}
function ParameterForm({setPythonCode, pythonOutput, dabAnalysisImages, setDabAnalysisImages, setDownloadZip}) {
const [progress, setProgress] = useState({'status': 'idle', 'imagesCompleted': 0, 'total': 0})
function ProgressBar({progress}) {
return (
<div className="flex items-center justify-between w-full">
<div className="w-full">
<div className="flex justify-between mb-1">
<span className="text-base font-medium text-gray-700 dark:text-white">Analysis in progress...</span>
<span className="text-sm font-medium text-gray-700 dark:text-white">{progress['imagesCompleted']} / {progress['total']}</span>
</div>
<div className="w-full bg-gray-200 rounded-full h-2.5 dark:bg-gray-700">
<div className="bg-blue-600 h-2.5 rounded-full" style={{width: progress.imagesCompleted/progress.total*100 + '%'}}></div>
</div>
</div>
</div>
)
}
async function RunBatchAnalysis() {
setPythonCode("batch_analysis_generator = batch_analyse(); json.dumps({'status': 'generator created'})")
}
useEffect(() => {
if (pythonOutput && pythonOutput.length > 0) {
let pythonOutputObject = JSON.parse(pythonOutput.toString());
if (pythonOutputObject["status"] == 'generator created' || pythonOutputObject["status"] == 'generator in progress') {
setPythonCode("status, id, filename, result = next(batch_analysis_generator); json.dumps({'status': status, 'filename': filename, 'id': id, 'result': result})");
}
if (pythonOutputObject["status"] == 'generator in progress') {
setProgress({...progress, imagesCompleted: progress.imagesCompleted + 1});
}
if (pythonOutputObject["status"] == 'generator completed') {
setProgress({...progress, status: 'completed'});
}
}
}, [pythonOutput])
return (
<div className="space-y-12 m-[1rem]">
<div className="flex justify-center">
{progress.status == 'idle' ? <button onClick={async () => {setProgress({...progress, status: 'running', total: dabAnalysisImages.length}); await RunBatchAnalysis()}} className="bg-blue-500 hover:bg-blue-700 text-white font-bold py-2 px-4 rounded"><span>Run all</span></button> : null}
{progress.status == 'running' ? <ProgressBar progress={progress}/> : null}
{progress.status == 'completed' ? <button onClick={async () => {setDownloadZip(true)}} className="bg-blue-500 hover:bg-blue-700 text-white font-bold py-2 px-4 rounded"><span>Download results</span></button> : null}
</div>
</div>
)
}
const root = ReactDOM.createRoot(app);
root.render(<HomePage />);