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add support for multiple files #42

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add support for multiple files #42

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69 changes: 38 additions & 31 deletions src/index.js
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Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
const { ticalc, tifiles } = require('ticalc-usb');

let calculator = null;
let file = null;
let files = null;

window.addEventListener('load', () => {
if ( ticalc.browserSupported() ) {
Expand Down Expand Up @@ -40,14 +40,14 @@ function updateButtons() {
document.querySelector('#connect').focus();
}

if ( file )
if ( files )
document.querySelector('#upload').classList.add('complete');
else if ( calculator ) {
document.querySelector('#upload').classList.add('active');
document.querySelector('#upload').focus();
}

if ( calculator && file ) {
if ( calculator && files ) {
document.querySelector('#start').classList.add('active');
document.querySelector('#start').focus();
}
Expand Down Expand Up @@ -91,26 +91,31 @@ function attachClickListeners() {
);

document.querySelector('#upload')
.addEventListener('click', () => selectFile());
.addEventListener('click', () => selectFiles());

document.querySelector('#start')
.addEventListener('click', () => sendFile());
.addEventListener('click', () => sendFiles());
}

function selectFile() {
function selectFiles() {
const input = document.createElement('input');
input.type = 'file';
input.accept = '.8xp,.8xg,.8xv,.83p,.83g,.82p,.82g';
input.multiple = 'multiple';
input.addEventListener('change', async c => {
file = tifiles.parseFile(await readFile(c.target.files[0]));
console.log(file);

if ( !tifiles.isValid(file) ) {
file = null;
alert('Sorry!', 'The file you have selected does not seem to be a valid calculator file');
}
if ( calculator && !calculator.canReceive(file) ) {
return alert('Careful!', `The file you have selected does not appear to be a valid file for your ${calculator.name}.`);
files = [];
for (i in c.target.files) {
files.push(tifiles.parseFile(await readFile(c.target.files[i])));

console.log(files[i]);

if ( !tifiles.isValid(files[i]) ) {
files = null;
alert('Sorry!', 'The file you have selected does not seem to be a valid calculator file');
}
if ( calculator && !calculator.canReceive(files[i]) ) {
return alert('Careful!', `The file you have selected does not appear to be a valid file for your ${calculator.name}.`);
}
}

updateButtons();
Expand All @@ -126,22 +131,24 @@ function readFile(file) {
});
}

async function sendFile() {
if ( !calculator || !file ) return;
if ( !calculator.canReceive(file) )
return alert('Sorry!', `The file you have selected does not appear to be a valid file for your ${calculator.name}.`);
const details = await calculator.getStorageDetails(file);
if ( !details.fits )
return alert('Sorry!', 'Your calculator does not have enough free memory to receive this file.');

try {
await calculator.sendFile(file);
document.querySelector('#start').classList.remove('active');
document.querySelector('#start').classList.add('complete');
alert('Success!', 'The file has been sent!');
} catch(e) {
alert('Sorry!', 'Something went wrong 😢');
console.error(e);
async function sendFiles() {
if ( !calculator || !files ) return;
for (i in files) {
if ( !calculator.canReceive(files[i]) )
return alert('Sorry!', `The file you have selected does not appear to be a valid file for your ${calculator.name}.`);
const details = await calculator.getStorageDetails(files[i]);
if ( !details.fits )
return alert('Sorry!', 'Your calculator does not have enough free memory to receive this file.');

try {
await calculator.sendFiles(files[i]);
document.querySelector('#start').classList.remove('active');
document.querySelector('#start').classList.add('complete');
alert('Success!', 'The file have been sent!');
} catch(e) {
alert('Sorry!', 'Something went wrong 😢');
console.error(e);
}
}
}

Expand Down