Starting to implement upload progress

This commit is contained in:
Micah Lee 2019-02-13 09:56:36 -08:00
parent 4b8e910cac
commit d7476d8556

View File

@ -5,36 +5,46 @@ var uploadButton = document.getElementById('send-button');
form.onsubmit = function(event) {
event.preventDefault();
// Update button text.
uploadButton.innerHTML = 'Uploading...';
// Disable button, and update text
uploadButton.disabled = true;
uploadButton.innerHTML = 'Uploading ...';
// Get the selected files from the input.
// Create form data
var files = fileSelect.files;
// Create a new FormData object.
var formData = new FormData();
// Loop through each of the selected files.
for (var i = 0; i < files.length; i++) {
var file = files[i];
// Add the file to the request.
formData.append('file[]', file, file.name);
}
// Set up the request.
var xhr = new XMLHttpRequest();
// Set up the request
var ajax = new XMLHttpRequest();
// Open the connection.
xhr.open('POST', window.location.pathname + '/upload', true);
ajax.upload.addEventListener('progress', function(event){
console.log('upload progress', 'uploaded '+event.loaded+' bytes / '+event.total+' bytes');
var percent = Math.ceil(event.loaded / event.total) * 100;
uploadButton.innerHTML = 'Uploading '+percent+'%';
}, false);
xhr.onload = function() {
if (xhr.status == 200) {
uploadButton.innerHTML = 'Send Files';
}
}
ajax.addEventListener("load", function(event){
console.log("upload finished");
if(ajax.status == 200) {
// Re-enable button, and update text
uploadButton.innerHTML = 'Send Files';
uploadButton.disabled = false;
}
}, false);
// Send the Data.
xhr.send(formData);
ajax.addEventListener("error", function(event){
console.log('error', event);
}, false);
ajax.addEventListener("abort", function(event){
console.log('abort', event);
}, false);
// Send the request
ajax.open('POST', window.location.pathname + '/upload', true);
ajax.send(formData);
console.log("upload started");
}