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/**
* JavaScript for mod/cloud
*/
$(document).ready(function () {
// call initialization file
if (window.File && window.FileList && window.FileReader) {
UploadInit();
}
});
//
// initialize
function UploadInit() {
var fileselect = $("#files-upload");
var filedrag = $("#cloud-drag-area");
var submit = $("#upload-submit");
// is XHR2 available?
var xhr = new XMLHttpRequest();
if (xhr.upload) {
// file select
fileselect.on("change", UploadFileSelectHandler);
// file submit
submit.on("click", fileselect, UploadFileSelectHandler);
// file drop
filedrag.on("dragover", DragDropUploadFileHover);
filedrag.on("dragleave", DragDropUploadFileHover);
filedrag.on("drop", DragDropUploadFileSelectHandler);
}
window.filesToUpload = 0;
window.fileUploadsCompleted = 0;
}
// file drag hover
function DragDropUploadFileHover(e) {
e.stopPropagation();
e.preventDefault();
e.currentTarget.className = (e.type == "dragover" ? "hover" : "");
}
// file selection via drag/drop
function DragDropUploadFileSelectHandler(e) {
// cancel event and hover styling
DragDropUploadFileHover(e);
// fetch FileList object
var files = e.target.files || e.originalEvent.dataTransfer.files;
$('.new-upload').remove();
// process all File objects
for (var i = 0, f; f = files[i]; i++) {
prepareHtml(f, i);
UploadFile(f, i);
}
}
// file selection via input
function UploadFileSelectHandler(e) {
// fetch FileList object
if(e.type === 'click') {
e.preventDefault();
var files = e.data[0].files;
}
else {
var files = e.target.files;
}
$('.new-upload').remove();
// process all File objects
for (var i = 0, f; f = files[i]; i++) {
prepareHtml(f, i);
if(e.type === 'click')
UploadFile(f, i);
}
}
function prepareHtml(f, i) {
$("#cloud-index").prepend(
"<tr class='new-upload'>" + "<td id='upload-progress-" + i + "'></td><td>" + f.name +
"</td><td>" + f.type +
"</td><td></td><td></td><td></td><td></td><td>" + formatSizeUnits(f.size) +
"</td><td></td></tr>"
);
}
function formatSizeUnits(bytes){
if (bytes>=1000000000) {bytes=(bytes/1000000000).toFixed(2)+' GB';}
else if (bytes>=1000000) {bytes=(bytes/1000000).toFixed(2)+' MB';}
else if (bytes>=1000) {bytes=(bytes/1000).toFixed(2)+' KB';}
else if (bytes>1) {bytes=bytes+' bytes';}
else if (bytes==1) {bytes=bytes+' byte';}
else {bytes='0 byte';}
return bytes;
}
// upload files
function UploadFile(file, idx) {
window.filesToUpload = window.filesToUpload + 1;
var xhr = new XMLHttpRequest();
xhr.withCredentials = true; // Include the SESSION cookie info for authentication
(xhr.upload || xhr).addEventListener('progress', function (e) {
var done = e.position || e.loaded;
var total = e.totalSize || e.total;
// Dynamically update the percentage complete displayed in the file upload list
$('#upload-progress-' + idx).html(Math.round(done / total * 100) + '%');
});
xhr.addEventListener('load', function (e) {
//console.log('xhr upload complete', e);
window.fileUploadsCompleted = window.fileUploadsCompleted + 1;
// When all the uploads have completed, refresh the page
if (window.filesToUpload > 0 && window.fileUploadsCompleted === window.filesToUpload) {
window.fileUploadsCompleted = window.filesToUpload = 0;
// After uploads complete, refresh browser window to display new files
window.location.href = window.location.href;
}
});
// POST to the entire cloud path
xhr.open('post', window.location.pathname, true);
var data = new FormData(document.getElementById("ajax-upload-files"));
data.append('file', file);
xhr.send(data);
}
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