var files = [];
var sendingOffset = 0;
var lastRequest = '';
var dataView;
var filesCount = 0;
var currentUploadingFile = 0;
var uploadOrder = [];
var uploadingInProgress = 0;
var fileUploadRequest;
var chunkSize = 128;
var totalUploaded = 0;
var tpl = '
%filename%%filesize%
';
document.addEventListener("DOMContentLoaded", function() {
var dropbox;
dropbox = document.getElementById("dropbox");
dropbox.addEventListener("dragenter", dragenter, false);
dropbox.addEventListener("dragover", dragover, false);
dropbox.addEventListener("drop", drop, false);
UpdateFileList();
UploadDir("http");
});
function dragenter(e) {
e.stopPropagation();
e.preventDefault();
}
function dragover(e) {
e.stopPropagation();
e.preventDefault();
}
function drop(e) {
e.stopPropagation();
e.preventDefault();
var dt = e.dataTransfer;
handleFiles(dt.files);
}
function handleFiles(tfiles) {
var filesCount = tfiles.length;
files = tfiles;
currentUploadingFile = 0;
uploadOrder = [];
sendingOffset = 0;
lastRequest = '';
document.getElementById('fileList').innerHTML = '';
var fileNames = {};
for (var i = 0; i < filesCount; i++) {
fileNames[uploadDir + tfiles[i].name] = i;
}
Keys(fileNames).sort(function(a,b){var c=a.toLowerCase(),d=b.toLowerCase();return cd?1:0}).forEach(function(item) {
var i = fileNames[item];
var append = tpl.replace(/%filename%/g, uploadDir + tfiles[i].name);
append = append.replace(/%filesize%/g, formatFileSize(tfiles[i].size));
append = append.replace(/%filenum%/g, i);
document.getElementById('fileList').insertAdjacentHTML('beforeend', append);
UpdateGraph(0, i);
uploadOrder.push(i);
});
}
function DeleteFiles(filenum) {
var elem = document.getElementById('file' + filenum.toString());
elem.parentNode.removeChild(elem);
if (uploadingInProgress) {
if (parseInt(filenum) != uploadOrder[currentUploadingFile]) {
for (var i = 0; i < uploadOrder.length; i++) {
if (uploadOrder[i] == filenum) {
delete uploadOrder[i];
}
}
}
else {
uploadingInProgress = 0;
RemoveFile(files[uploadOrder[currentUploadingFile]].name + '.dnl');
for (var i = 0; i < uploadOrder.length; i++) {
if (uploadOrder[i] == filenum) {
delete uploadOrder[i];
}
}
currentUploadingFile++;
totalUploaded = 0;
sendingOffset = 0;
lastRequest = '';
fileUploadRequest.abort();
fileUploadRequest = 0;
UploadFiles();
}
}
else {
for (var i = 0; i < uploadOrder.length; i++) {
if (uploadOrder[i] == filenum) {
delete uploadOrder[i];
}
}
}
}
function UploadFiles() {
if (uploadOrder[currentUploadingFile] === undefined) {
uploadingInProgress = 0;
if (currentUploadingFile < files.length - 1) {
currentUploadingFile++;
UploadFiles();
}
return;
}
var fileNum = uploadOrder[currentUploadingFile];
var file = files[fileNum];
var chunkLen = 0;
var filedata = '';
uploadingInProgress = 1;
var fr = new FileReader();
fr.onload = function() {
dataView = null;
dataView = new Uint8Array(fr.result);
if (file.size <= chunkSize) {
sendingOffset = 0;
chunkLen = file.size;
for (var i = 0; i < dataView.length; i++) {
if (dataView[i] < 16) {
filedata += '0';
}
filedata += dataView[i].toString(16).toUpperCase();
}
}
else {
if (dataView.length - sendingOffset > chunkSize) {
chunkLen = chunkSize;
}
else {
chunkLen = dataView.length - sendingOffset;
}
for (var i = sendingOffset; i < sendingOffset + chunkLen; i++) {
if (dataView[i] < 16) {
filedata += '0';
}
filedata += dataView[i].toString(16).toUpperCase();
}
}
fileUploadRequest = new XMLHttpRequest();
fileUploadRequest.onreadystatechange = function() {
if (fileUploadRequest.readyState != 4) return;
if (fileUploadRequest.status == 200) {
if (chunkLen + sendingOffset < dataView.length) {
totalUploaded += chunkSize;
UpdateGraph(Math.round((totalUploaded / file.size) * 100), uploadOrder[currentUploadingFile]);
sendingOffset += chunkSize;
UploadFiles();
}
else {
var statusElement = document.getElementById('fileStatus' + uploadOrder[currentUploadingFile]);
sendingOffset = 0;
UpdateGraph(100, uploadOrder[currentUploadingFile]);
uploadingInProgress = 0;
UpdateFileList();
totalUploaded = 0;
if (statusElement) {
statusElement.classList.add("uploaded");
}
if (currentUploadingFile < files.length) {
currentUploadingFile++;
UploadFiles();
}
}
}
else {
UploadFiles();
}
fileUploadRequest = 0;
}
lastRequest = 'upload.lua?cmd=upload&filename=' + uploadDir + file.name + '&filesize=' + file.size + '&len=' + chunkLen + '&offset=' + sendingOffset + '&data=' + filedata;
fileUploadRequest.timeout = 5000;
fileUploadRequest.open('GET', lastRequest, true);
fileUploadRequest.send();
};
fr.readAsArrayBuffer(file);
}
function UploadDir(dir) {
if (uploadingInProgress == 0) {
document.getElementById('dir').innerHTML = "/" + dir;
uploadDir = dir;
if (!(uploadDir == "")) {
uploadDir += "/";
}
}
}
function formatFileSize(bytes) {
if (typeof bytes !== 'number') {
return '';
}
if (bytes >= 1073741824) {
return (bytes / 1073741824).toFixed(2) + ' GB';
}
if (bytes >= 1048576) {
return (bytes / 1048576).toFixed(2) + ' MB';
}
return (bytes / 1024).toFixed(2) + ' KB';
}
function UpdateGraph(percent, id) {
var el = document.getElementById('graph' + id); // get canvas
if (!el) {
return;
}
var options = {
percent: el.getAttribute('data-percent') || 0,
size: el.getAttribute('data-size') || 48,
lineWidth: el.getAttribute('data-line') || 8,
rotate: el.getAttribute('data-rotate') || 0
}
var canvas = document.createElement('canvas');
if (typeof(G_vmlCanvasManager) !== 'undefined') {
G_vmlCanvasManager.initElement(canvas);
}
var ctx = canvas.getContext('2d');
canvas.width = canvas.height = options.size;
el.appendChild(canvas);
ctx.translate(options.size / 2, options.size / 2); // change center
ctx.rotate((-1 / 2 + options.rotate / 180) * Math.PI); // rotate -90 deg
var radius = (options.size - options.lineWidth) / 2;
function drawCircle(color, lineWidth, percent) {
if (percent) {
percent = Math.min(Math.max(0, percent), 1);
ctx.beginPath();
ctx.arc(0, 0, radius, 0, Math.PI * 2 * percent, false);
ctx.strokeStyle = color;
ctx.lineCap = 'round'; // butt, round or square
ctx.lineWidth = lineWidth
ctx.stroke();
}
};
options.percent = percent;
drawCircle('#2e3134', options.lineWidth + 1, 100 / 100);
drawCircle('#007a96', options.lineWidth, options.percent / 100);
}
function Keys(obj) {
var keys = [];
for(var key in obj){
if(obj.hasOwnProperty(key)){
keys.push(key);
}
}
return keys;
}
function UpdateFileList() {
var fileListRequest = new XMLHttpRequest();
fileListRequest.onreadystatechange = function() {
if (fileListRequest.readyState != 4) return;
if (fileListRequest.status == 200) {
var fileInfo = JSON.parse(fileListRequest.responseText);
var fileList = fileInfo['files'];
document.getElementById('fileInfo').innerHTML = '';
var tpl = '%filenamelink%%filesize%
';
var tplTotal = 'Used:%used%
Free:%free%
Total:%total%
';
var append, link;
Keys(fileList).sort(function(a,b){var c=a.toLowerCase(),d=b.toLowerCase();return cd?1:0}).forEach(function(item) {
if (!item.match(/\.lc$/ig) && item.match(/^http\//ig)) {
link = item.replace(/\.gz$/g, '').replace(/^http\//g, '');
append = tpl.replace(/%filenamelink%/g, '' + item + '');
}
else {
append = tpl.replace(/%filenamelink%/g, item);
}
append = append.replace(/%filename%/g, item);
append = append.replace(/%filesize%/g, formatFileSize(parseInt(fileList[item])));
document.getElementById('fileInfo').insertAdjacentHTML('beforeend', append);
});
append = tplTotal.replace(/%used%/g, formatFileSize(parseInt(fileInfo['used'])));
append = append.replace(/%free%/g, formatFileSize(parseInt(fileInfo['free'])));
append = append.replace(/%total%/g, formatFileSize(parseInt(fileInfo['total'])));
document.getElementById('fileInfo').insertAdjacentHTML('beforeend', append);
}
else {
}
fileListRequest = null;
}
fileListRequest.open('GET', 'upload.lua?cmd=list', true);
fileListRequest.send();
}
function RemoveFile(name) {
var fileRemoveRequest = new XMLHttpRequest();
fileRemoveRequest.onreadystatechange = function() {
if (fileRemoveRequest.readyState != 4) return;
if (fileRemoveRequest.status == 200) {
UpdateFileList();
}
}
fileRemoveRequest.open('GET', 'upload.lua?cmd=remove&filename=' + name, true);
fileRemoveRequest.send();
}