webApp/js/script.js
2021-01-11 14:38:37 +01:00

275 lines
8.3 KiB
JavaScript

$(document).ready(function() {
listFile();
}); // document.ready
let dropArea = document.getElementById('drop-area');
let filesDone = 0;
let filesToDo = 0;
let progressBar = document.getElementById('progress-bar');
let lock = 0;
$(window).on('beforeunload', function () {
if(lock == 1) {
return false;
}
});
['dragenter', 'dragover', 'dragleave', 'drop'].forEach(eventName => {
dropArea.addEventListener(eventName, preventDefaults, false)
})
function preventDefaults (e) {
e.preventDefault()
e.stopPropagation()
};
['dragenter', 'dragover'].forEach(eventName => {
dropArea.addEventListener(eventName, highlight, false)
});
['dragleave', 'drop'].forEach(eventName => {
dropArea.addEventListener(eventName, unhighlight, false)
})
function highlight(e) {
dropArea.classList.add('highlight')
}
function unhighlight(e) {
dropArea.classList.remove('highlight')
}
dropArea.addEventListener('drop', handleDrop, false)
function handleDrop(e) {
let dt = e.dataTransfer
let files = dt.files
handleFiles(files)
}
function handleFiles(files) {
files = [...files]
files.forEach(uploadFile)
files.forEach(previewFile)
}
function uploadFile(file) {
let url = 'upload.php'
let formData = new FormData()
var title = file.name;
var startTime, endTime, fileSize, fileLoad;
formData.append('file', file)
$.ajax({
xhr: function() {
var xhr = new window.XMLHttpRequest();
xhr.upload.addEventListener("loadstart", function(e){
this.progressId = "progress_" + Math.floor((Math.random() * 100000));
this.name = title;
$("#transProgress").append('<div class="progress" id="' + this.progressId + '" ><i class="fa fa-upload"></i><span class="name"></span><progress value="0" max="100"></progress><span class="speed"></span></div>');
});
xhr.upload.addEventListener("progress", function(evt) {
if (evt.lengthComputable) {
var percentComplete = ((evt.loaded / evt.total) * 100);
endTime = (new Date()).getTime();
fileSize = evt.total;
fileLoad = evt.loaded;
var speed = fileLoad / ((endTime - startTime)/1000) / 1024 / 1024; // get speed in MB/s
var speedMB = speed.toFixed(2) + ' MB/s ';
$('#' + this.progressId + ' > .name').text(this.name);
$('#' + this.progressId + ' > progress').prop('value', percentComplete);
$('#' + this.progressId + ' > .speed').text(speedMB + humanFileSize(fileLoad) + ' / ' + humanFileSize(fileSize));
}
}, false);
return xhr;
},
type: 'POST',
url: url,
data: formData,
contentType: false,
cache: false,
processData:false,
beforeSend: function(){
lock = 1;
$(".progress-bar").width('0%');
$(".progress").show();
startTime = (new Date()).getTime();
},
error: error,
success: function(data, statut){
lock = 0;
listFile();
}
});
}
function previewFile(file) {
if (isFileImage(file)) {
let reader = new FileReader()
reader.readAsDataURL(file)
reader.onloadend = function() {
let img = document.createElement('img')
img.src = reader.result
img.title = file.name + " " + humanFileSize(file.size);
document.getElementById('gallery').appendChild(img)
}
}
else {
let span = document.createElement('span')
span.innerHTML = file.name + " " + humanFileSize(file.size);
document.getElementById('list').appendChild(span)
document.getElementById('list').appendChild(document.createElement('br'))
}
}
function listFile() {
$.get({
url: 'list.php',
success: function(data, statut) {
$('.list').empty();
if (data.length > 0) {
$('.list').append('<i class="fa fa-times delall">&ensp;Delete all files</i><br>');
}
$.each(data, function(key, value) {
var encode = encodeURIComponent(value.name);
var title = value.name + ' ' + humanFileSize(value.size);
//$('.list').append('<a download name="' + value.name + '" class="download button ' + preview + '" href="' + value.href + '" title="' + title + '" ><i class="fa fa-' + value.type + ' type" aria-hidden="true"></i> ' + title + '</a>');
var a = $('<a />', {
class: 'download button',
href: value.href.replace(value.name, encodeURIComponent(value.name)),
name: value.name,
title: title,
html: '<i class="fa fa-' + value.type + ' type" aria-hidden="true"></i> ' + title
});
if (value.type == "file-image")
a.addClass('preview');
a.appendTo('.list');
$('.list').append('<a class="fa fa-times del" href="delete.php?file=' + encode + '"></a><br>');
});
$('.preview').anarchytip();
$('.del').click( function(event){
var href = $(this).attr("href");
$.get(href, listFile);
return false; // cancel the event (don't follow link)
});
$('.delall').click( function(event){
var i = 0;
var delNB = $('.del').length;
if(confirm("Are you sure you want to delete all files ?")) {
$('.del').each(function(index) {
var href = $(this).attr("href");
$.get(href, function() {
i++;
if(i == delNB) //if is the last get
listFile();
});
});
}
});
$('.download').click(downloadFile);
},
error: error,
dataType: 'json'
});
};
function downloadFile(event) {
var href = $(this).attr("href");
var title = $(this).attr('name');
var startTime, endTime, fileSize, fileLoad;
var progressId = "progress_" + Math.floor((Math.random() * 100000));
$.ajax({
xhr: function() {
var xhr = new window.XMLHttpRequest();
xhr.addEventListener("loadstart", function(e){
this.progressId = progressId;
this.name = title;
$("#transProgress").append('<div class="progress" id="' + this.progressId + '" ><i class="fa fa-download"></i><a class="name"></a><progress value="0" max="100"></progress><span class="speed"></span></div>');
});
xhr.addEventListener("progress", function(evt) {
if (evt.lengthComputable) {
var percentComplete = ((evt.loaded / evt.total) * 100);
endTime = (new Date()).getTime();
fileSize = evt.total;
fileLoad = evt.loaded;
var speed = fileLoad / ((endTime - startTime)/1000) / 1024 / 1024; // get speed in MB/s
var speedMB = speed.toFixed(2) + ' MB/s ';
$('#' + this.progressId + ' > .name').text(this.name);
$('#' + this.progressId + ' > progress').prop('value', percentComplete);
$('#' + this.progressId + ' > .speed').text(speedMB + humanFileSize(fileLoad) + ' / ' + humanFileSize(fileSize));
}
}, false);
return xhr;
},
url: href,
xhrFields:{
responseType: 'blob'
},
beforeSend: function(){
$(".progress-bar").width('0%');
$(".progress").show();
lock = 1;
startTime = (new Date()).getTime();
},
success: function(data){
lock = 0;
var blob = data;
var blobUrl = window.URL.createObjectURL(new Blob([blob], {type: blob.type}));
console.log(blobUrl);
$('#' + progressId + ' > .name').attr("href", blobUrl);
$('#' + progressId + ' > .name').attr("download", title);
var a = document.createElement("a");
document.body.appendChild(a);
a.style = "display: none";
a.href = blobUrl;
a.download = title;
a.click();
a.remove();
},
error: error,
dataType: 'binary'
});
return false; // cancel the event (don't follow link)
};
function error(data, statut, error) {
lock = 0;
console.log(data);
//$('body').html(data['status'] + ' ' + error + '<br>' + data['responseText']);
};
function isFileImage(file) {
return file && file['type'].split('/')[0] === 'image';
}
function humanFileSize(bytes, si=false, dp=2) {
const thresh = si ? 1000 : 1024;
if (Math.abs(bytes) < thresh) {
return bytes + ' B';
}
const units = si
? ['kB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB']
: ['KiB', 'MiB', 'GiB', 'TiB', 'PiB', 'EiB', 'ZiB', 'YiB'];
let u = -1;
const r = 10**dp;
do {
bytes /= thresh;
++u;
} while (Math.round(Math.abs(bytes) * r) / r >= thresh && u < units.length - 1);
return bytes.toFixed(dp) + ' ' + units[u];
};