I use Dropzone.js and I want it to upload the dropped not automatically but when the user clicks a button. So I set the autoProcessQueue option to false. When the button is clicked the processQueue() method is called. I would suppose that now the full queue is processed. But thats not the case. Only the number of files which is specified in the parallelUploads option will be uploaded. The standard value of parallelUploads seems to be 2. Which every click 2 files are processed and uploaded.
Do I have to set parallelUploads to an very high number, for now to solve this?
Here's my full JS code:
var myDropzone = new Dropzone("div#myId", {
url: "http://www.torrentplease.com/dropzone.php",
addRemoveLinks: true,
thumbnailWidth: "80",
thumbnailHeight: "80",
dictCancelUpload: "Cancel",
autoProcessQueue: false
});
myDropzone.on("drop", function(event) {
$('.edit_tooltip .option_bar').animate({
opacity: 1,
top: "-5"
});
});
$('.edit_tooltip .option_bar .button').click(function() {
myDropzone.processQueue();
});
Add parallelUploads: 10(This is your max no)
There's a simple way to solve this which can be found here:
https://github.com/enyo/dropzone/issues/253#issuecomment-22184190
"If you want autoProcessQueue to be true after the first upload, then just listen to the processing event, and set this.options.autoProcessQueue = true; inside."
So just add
this.on("processing", function() {
this.options.autoProcessQueue = true;
});
My solution is:
// init dropzone with auto process queue false
var adPhotosDropzone = new Dropzone("#dropzone", {
autoProcessQueue: false,
parallelUploads: 3
});
$(document).on('click', '#btnUpload', function () {
// enable auto process queue after uploading started
adPhotosDropzone.options.autoProcessQueue = true;
// queue processing
adPhotosDropzone.processQueue();
});
// disable queue auto processing on upload complete
adPhotosDropzone.on("queuecomplete", function() {
adPhotosDropzone.options.autoProcessQueue = false;
});
Very late but maybe it will help someone.
I noticed when I placed maxFilesSize above parallerUploads it didn't worked.
So sequence for options should be
.
.
.
parallelUploads: 20,
maxFilesize: 2,
maxFiles: 20,
.
.
Add overdrive two event like
processing -> Allow upload all file
queuecomplete -> Return to normal
init: function () {
this.on("queuecomplete", function () {
this.options.autoProcessQueue = false;
});
this.on("processing", function () {
this.options.autoProcessQueue = true;
});
};
i used this dropzone with option (autoProcessQueue:false) and it does only upload 2 files instead of my whole files. And i found this workaround in the oligoil's answer at the git's issue
The Idea is very simple (bcs we want to upload the files one by one, remember the option! :D ).
It upload multiple but limited to 1, after one file is uploaded it trigger the next Queue!
Hope it help someone!
here's my code using that idea ( since i have 2 forms to upload, after all the images is uploaded it will submitting the other forms )
Dropzone.options.dropzoneForm = {
paramName: "file", // The name that will be used to transfer the file
autoProcessQueue: false,
addRemoveLinks:true,
parallelUploads : 1,
maxFiles : 50,
autoProcessQueue : false,
autoQueue : true,
dictDefaultMessage: "<strong>Drop files here or click to upload. </strong>",
init: function () {
....
this.on("complete", function (file) {
if (this.getUploadingFiles().length === 0 && this.getQueuedFiles().length === 0) {
console.log("END ", this.getQueuedFiles().length);
}
else {
Dropzone.forElement("#dropzoneForm").processQueue();
}
});
}
};
If you dont want to set maxFiles (default no limit) and use parallelUploads with the value you want. Read this!
I have solved the problem behaviour by setting
autoQueue: false,
autoProcessQueue: true,
Then when I want to upload the files I just add them to the queue with:
myDrop.enqueueFile(file)
But, this method just accept one file, for multiple files I'am using:
myDrop.on("addedfiles", function(files){
//wait confirmation, or do some processing with the files, then:
files.forEach(function(file){
myDrop.enqueueFile(file)
})
}
Note that "addedfiles" event it's not in the documentation yet. I captures all files dragged into the dropzone or added by the click event.
This is good because if you are using "sending" event to add POST data, or "parallelUploads" the sample code works fine and don't mess with the next files. I am using Sweet Alert 2 to ask for some tags before uploading the images.
I think that you can allow uploadMultiple and change dropzone.js file.
First, allow uploadMultiple
Next, change this line code into dropzone.js:
return this.processFiles(queuedFiles.slice(0, parallelUploads - processingLength));
for
return this.processFiles(queuedFiles.slice(0, queuedFiles.length));
A bit late, but I wasn't happy with the other answers, so here's mine.
Changing autoProcessingQueue (even temporarily) after clicking send mean that if you add another file to the dropzone while other are still queued, it will get uploaded without you having to press send again, which I didn't want. And I didn't want to use a setTimeout or a busyloop either. So here's how to do it without either :
Modify the dropzone.js file. First, in the Dropzone function, you need to add a second file array to store the queue when send is pressed :
function Dropzone(element, options) {
...
this.files = [];
this.files2 = [];
Then, save the files to it when send is clicked by modifying processQueue
Dropzone.prototype.processQueue = function() {
this.files2 = this.getQueuedFiles();
...
Finally, edit the _finished function so that when a file is done uploading, another file get sent if there was still remaining ones in the queue when send was pressed:
Dropzone.prototype._finished = function(files, responseText, e) {
var file, _i, _len;
for (_i = 0, _len = files.length; _i < _len; _i++) {
file = files[_i];
file.status = Dropzone.SUCCESS;
this.emit("success", file, responseText, e);
this.emit("complete", file);
this.files2 = this.files2.filter(function(e) { return e.status == "queued" }); // Remove the files that are finished or already being uploaded
}
if (this.options.uploadMultiple) {
this.emit("successmultiple", files, responseText, e);
this.emit("completemultiple", files);
}
if (this.options.autoProcessQueue) {
return this.processQueue();
}
else {
if (typeof this.files2 != "undefined" && this.files2.length > 0) {
this.processFiles(this.files2.slice(0,1)); // process the next file if there's one
}
}
};
This solved it for me, without changing any dropzone.js code or voiding the parallelUploads setting.
$('#submit').click(function(e){
e.preventDefault();
function tryQueue(){
var numQueued=dz.getQueuedFiles().length;
var numFiles=numQueued+dz.getUploadingFiles().length;
if(numQueued>0){
dz.processQueue();
}
if(numFiles>0){
setTimeout(tryQueue,1000);
}
else window.location='/'; //redirect when finished
}
tryQueue();
});
This assumes that dz is the dropzone instance. It works by invoking processQueue until all have been uploaded. The logic in processQueue takes care of returning if nothing needs to be done so no harm in the polling.
Related
I am trying to limit the number of files a user can select to one using the option maxFiles: 1; however that also prevents the user from uploading a second, third etc. file which is what I want. I want only the selection to be limited to one file and allow for subsequent uploads. Is that possible?
Here is my code:
$(function() {
var dropzone = new Dropzone('#avatar-wrapper', {
url: '/uploads/avatar',
clickable: '.upload',
maxFilesize: 5,
maxFiles: 1,
previewsContainer: false,
headers: {
'X-CSRF-TOKEN': $('meta[name="csrf-token"]').attr('content')
},
init: function() {
this.on('addedfile', function(file) {
console.log('test');
$('#loader').show();
});
this.on('success', function(file, result) {
$('#avatar_url').val(result.url);
$('#avatar').attr('src', result.url);
$('#loader').hide();
});
}
});
});
Instead of patching the DropZone library, you could do this change at runtime after you initialized the DropZone element.
var dropzone = new DropZone('#avatar-wrapper', {
// options ...
});
dropzone.hiddenFileInput.removeAttribute("multiple");
Found this in the dropzone.js file:
if (_this3.options.maxFiles === null || _this3.options.maxFiles > 1) {
_this3.hiddenFileInput.setAttribute("multiple", "multiple");
}
and commented out the second line:
if (_this3.options.maxFiles === null || _this3.options.maxFiles > 1) {
//_this3.hiddenFileInput.setAttribute("multiple", "multiple");
}
this solved my problem; however it would be nice to have this implemented in DropzoneJs
I'm using dropzone.js and I'm trying to check if there are still files in queue.
I have got a form with a dropzone.
By clicking on the form's submit button the files should get uploaded first and then the form should be submitted.
My JavaScript code looks like this:
var fileDropzone = new Dropzone(document.getElementById('fileDropzone'),
{
url: uploadUrl,
addRemoveLinks: true,
autoProcessQueue: false,
autoDiscover: false,
dictDefaultMessage: transUploadFiles
}
);
var success = false;
$('form.uploadForm').submit(function (e) {
var that = this;
var filesInQueue = fileDropzone.getQueuedFiles().length;
if (!success && filesInQueue > 0) {
e.preventDefault();
fileDropzone.processQueue();
fileDropzone.on("success", function () {
fileDropzone.options.autoProcessQueue = true;
});
fileDropzone.on("queuecomplete", function (file) {
success = true;
$(that).submit();
});
}
});
To check if there are files in the queue I use the function getQueuedFiles(), but this causes the error "too much recursion" in the console.
Using an if statement like the following, causes the console.log to appear 321 times if there are no files in queue.
if(fileDropzone.getQueuedFiles().length === 0) {
console.log("no files in queue");
}
Did I do something wrong or is there another possibility to check if there are still files in queue?
Try replacing $(that).submit(); with POJS that.submit();, which is guaranteed to submit the form without retriggering the onsubmit handler.
I'm using dropzone.js, and trying to figure out how can I throw an error BEFORE the file is shown in the dropzone UI.
Dropzone.autoDiscover = false;
var myDropzone = new Dropzone("#fileUpload", { url: "/myUrl/file", maxFiles: 1, maxFilesize: 2,
accept: function(file, done) {
var splitFileName = file.name.split(".");
if (splitFileName[splitFileName.length - 1] != "bbb") {
done("Error! Files of this type are not accepted");
}
else { done(); }
}
});
myDropzone.options.acceptedFiles = '.bbb';
Suppose the user drags a file that is not with .bbb extension, then the file is still shown in the dropzone (with an 'X' sign).
Is it possible not to show that file in the dropzone, and even show a relevant error ?
I figured out you can use the helpful removeFile method with addedfile event to easily achieve this kind of functionality.
myDropzone.on("addedfile", function(file) {
});
Inside this handler, you can remove files with .bbb extensions and set any kind of behavior you wish.
I have a file upload form that uses Dropzone.js to upload files to my server. A user can upload up to 5 fivles at once, but I have a unique condition I'm dealing with: if any single file errors out on the server end (over the maximum size, wrong mime-type, wrong file type, etc), I need none of the files to be added to my database. This is not a problem.
What I am having a problem with is the client side handling of it. Why is it when I get a response from the server, I can no longer upload files again by clicking "submit" (the element of which is bound to an event handler, as seen below)?
Dropzone.options.uploadedFilesDropzone = {
autoProcessQueue: false,
maxFilesize: 1024, //MB
addRemoveLinks: true,
uploadMultiple: true,
parallelUploads: 5,
maxFiles: 5,
init: function() {
var uploadedFilesDropzone = this;
$('#submit').on('click', function() {
uploadedFilesDropzone.processQueue();
uploadedFilesDropzone.on("successmultiple", function(files, response) {
// Handle the responseText here. For example, add the text to the preview element:
console.log(files);
console.log(response.errors[0]);
$.each(files, function(index, file) {
// no errors
if (response.errors[index].length == 0) {
} else {
file.previewElement.classList.add('dz-error');
}
})
});
});
}
}
Files are removed from the Dropzone queue once processQueue() is called. You can no longer upload the files by clicking submit because there are no files in the queue.
You need to add each file back into the queue after the response has been received.
If there is an error with the files server side it is best to set the status code of the response to something other than 200 so that you can override the Dropzone error listener.
this.on("error", function(file, errorMessage) {
$.each(dropZone.files, function(i, file) {
file.status = Dropzone.QUEUED
});
$.each(message, function(i, item) {
$("#dropzoneErrors .errors ul").append("<li>" + message[i] + "</li>")
});
});
I need to check overall progress of the Jquery file upload
I'm allowing my users to upload multiple files, Now I want to know what all the files are completed then I need to trigger a function to do some other work.
I tried all the callbacks but couldn't figure it out.
I even tried this
var activeUploads = $('.new_photographer').fileupload('active');
But its variable is returning some garbage data.
Here's my jquery:
$('.new_photographer').fileupload({
dataType :'json',
fileInput: $(this).find('input:file'),
acceptFileTypes: /(\.|\/)(gif|jpeg|png|jpg)$/i,
dropZone: $(this).find('#dropzone'),
complete : function (e, data) {
var activeUploads = $('.new_photographer').fileupload('active');
var overallProgress = $('.new_photographer').fileupload('progress');
alert(JSON.stringify(activeUploads));
//alert('overallProgress :: '+JSON.stringify(overallProgress));
if ( activeUploads < 0){
window.location.replace("http://stackoverflow.com");
}
}
}).bind('fileuploadsubmit', function (e, data) {
var inputs = data.context.find(':input');
data.formData = inputs.serializeArray();
});