Published
Edited
Jun 5, 2022
2 forks
5 stars
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{
// dz is the name we gave the HTML cell with the drop zone.
dz.addEventListener('drop', (ev)=>{
console.log('File(s) dropped');

// Prevent default behavior (Prevent file from being opened)
ev.preventDefault();

if (ev.dataTransfer.items) {
// Use DataTransferItemList interface to access the file(s)
for (var i = 0; i < ev.dataTransfer.items.length; i++) {
// If dropped items aren't files, reject them
if (ev.dataTransfer.items[i].kind === 'file') {
var file = ev.dataTransfer.items[i].getAsFile();
console.log('... file[' + i + '].name = ' + file.name);
//console.log('text of the file:', file.text())
file.text().then((text)=> {
console.log("file text:", text);
// try dropping a JSON file
mutable tableArr = JSON.parse(text)}
)
}
}
} else {
// Use DataTransfer interface to access the file(s)
for (var i = 0; i < ev.dataTransfer.files.length; i++) {
console.log('... file[' + i + '].name = ' + ev.dataTransfer.files[i].name);
}
}
})

dz.addEventListener('dragover', (ev)=> {
console.log('File(s) in drop zone');

// Prevent default behavior (Prevent file from being opened)
ev.preventDefault();
})
console.log(Date.now())
dz.addEventListener('mouseover', (ev)=> {
console.log('mouseover')
})
}
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mutable tableArr = []
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fixedArray = tableArr.map((itm,idx,arr)=>{ return {index:idx, item:itm}}); // from https://observablehq.com/@triptych/how-to-get-around-flat-array-issue-in-observable-tables
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viewof table = Inputs.table(fixedArray)
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chrome_24hyoxmune = FileAttachment("chrome_24HYOXmunE.png").image()
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One platform to build and deploy the best data apps

Experiment and prototype by building visualizations in live JavaScript notebooks. Collaborate with your team and decide which concepts to build out.
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