Javascript :: Splitting A File Before Upload?
Nov 4, 2010
On a webpage, is it possible to split large files into chunks before the file is uploaded to the server? For example, split a 10MB file into 1MB chunks, and upload one chunk at a time while showing a progress bar?
It sounds like JavaScript doesn't have any file manipulation abilities, but what about Flash and Java applets?
This would need to work in IE6+, Firefox and Chrome. Update: forgot to mention that (a) we are using Grails and (b) this needs to run over https.
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Sep 29, 2010
Is it possible to pass file names from a running Flash application, which only purpose is to enable multiple-file-selection, to a JavaScript application which handles upload of all files to the server?I have examined various Flash upload solutions (like SWFUpload, Uploadify, etc.) and none of them meets my needs. I want an easy to implement solution (like Uploadify) which also lets me specify various parts of the HTTP request.
The reason I need this is because my upload form uses session cookies (for user authentication) and an CSRF token both passed to the server when uploading files.Is it technically possible to pass filenames (+ paths) to a JavaScript application which then handles the upload?
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Jan 13, 2012
Is there any "mainstream" library used for this purpose? Commonly spread, well maintained, documented etc.I found these (using flash):
Uploadify - not many releases, latest 12/2010, no documentation (!)
SWFUpload - latest release 03/2010, documentation
fancyupload - looks buggy.
phpfileuploader - looks heavyweight, and looks commercial (?) I cannot read the licence (you can download it but are you allowed to use it forever without paying?) plupload New version of pure javascript (no flash) Valums' ajax upload claims to handle file size limit and progress bar, which is quite suspicious to me: these features require to guess the file size before the upload, which seems impossible in javascript (look also here). Or can it work?
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Sep 23, 2010
I'm looking for a multiple file upload button. the ones I've found areswfuploaduploadifyI want to integrate it in a django app. ATM the only one which is working without any problems and is in widespread use seems to be swfupload.
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Oct 27, 2011
Does anyone know the file upload hack for Flex, which will allow files to be uploaded to authenticated web services via multipart form post? In this bug report from the Adobe site, a user reports: Flash isn't cross-browser compatible if this feature only works via Javascript hacks. So far, I've been unable to craft such a hack. I'm unsure what to do next. Here's what I've tried so far (all have been unsuccessful or impossible).
Set cookies on url
Pass cookies to Flex URLRequest
Create hidden html form in javascript to post file
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Dec 4, 2011
Basically I'll be working with large XML files (approx. 20 - 50 MB). These files needs to be uploaded on a server.I know it isn't possible to touch the files with javascript, nor to implement HTTP compression on the client-side.
My question is that if any solution exists (flash / action script) that compresses a file and has a javascript API? The scenario is this:
Trying to upload 50 MB XML file Before upload a grab it with Javascript and send it to the compressor.Upload the compressed file instead of the original one.
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Jan 5, 2012
I'm looking for multiple file upload component with alternative ways.I need HTML5, Flash and normal upload support, depended by device.I don't like FancyUpload, because it uses mootools and mootools is very big library.Also I can't use jQuery, because I'm writing on Ext js and it's not good idea to use two big library like jQuery and Ext js.
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Dec 30, 2011
I am trying to create a multiple file upload flash application to be called from an External Interface, but it isn't working.
AS3:
var fileRef:FileReferenceList;
ExternalInterface.addCallback('selectFiles', showDialog);
function showDialog()
[Code].....
When I run the script and comment out the fileRef parts and uncomment the alert call, it shows the alert, also when I comment out the ExternalInterface call, leaving only the fileRef parts, it shows the file upload dialog.
When I run it as intended, I get the following error:
Error calling method on NPObject
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Feb 8, 2011
I have an upload form for an image. The user clicks browse and selects a file. How can I get the image dimensions the moment the user selects the file (before the file is even uploaded to the server). It obviously has to be something client-side with maybe javascript/jquery or flash/flex (prefer js//jquery though), but can either of them do this? This is the code I'm using to tie into zozo's getImgSize() function, but it gives me 0*0 as size.
[Code]...
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Aug 31, 2010
my listener.onComplete = function(selectedFile:FileReference) is fired without any file in the upload dir. if the file is small and I wait a bit I can see the file (through FTP) coming up on the server, but most of the times the "onComplete" if fired without any file being saved.
can I add something to this php code to make sure the file is uploaded?
[Code]...
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Apr 14, 2012
I'm trying to upload a photo on Facebook using Javascript SDK. In particular I generate a base64 encoded bytearray from my Actionscript3 app, I pass it to Javascript file using ExternalInterface, and from that I decode the bytearray and I try to upload to FB. But it give me this error:
{"error":{"message":"(#324) Requires upload file","type":"OAuthException","code":324}}
I tried to upload an image simply from url, and in that way it goes well! This is my Javascript code:
upPhoto:function(photo) {
var img = F.decode_base64(photo);
FB.api('/me/photos', 'post', {
message:'test',
fileName:'test',
[Code] .....
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Aug 22, 2011
I want my file upload to be very simple, and what could be simpler than just a single button. The requirements are that you should be able to upload multiple files at once. It would definitely be an advantage if I could add file format filters as well, and design the button by myself (including the hover event).
I searched and found Plupload, which seemed to be awesome with the easy setup and functionality, but I can't quite figure out how to create my button; I've only found their Custom upload, which prints out the file names and requires at least one click on another button before it's done (and I can apparently not add any hover-attribute). I tried to edit the JavaScript to make the form be sent after all the files had been added, but failed.
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Apr 20, 2010
Can one upload files to a domain other than the domain a script originates from? For example, suppose you're hosting files on [URL], and you want to upload files to [URL], would the following script violate the same origin policy (using uploadify):
[Code]...
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Nov 26, 2010
I'm looking for a flash widget that allows users to record their audio and then send it to the server.
There are a few similar questions:
Record Audio and Upload as Wav or MP3 to server
They advocate using Red5 or flash media server.
Shouldn't it be possible to record locally on the user's client using the codecs that the user already has and then upload the resulting file to the server, rather than say, process the and record the stream on the server itself.
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Mar 5, 2011
I'm looking a quick way to add an (multi) image unloader with client side crop to an ASP.NET MVC site and for some reason the search seems to be much more complicated than I thought upload image (can be via form post or custom, just has to work with ASP.NET)custom crop possibility before upload (preferred) multiple images at once It doesn't matter if js/jquery, silverlight or flash is used, it just has to work, its an internal application and I can force people to have the necessary plugins installed.
[Code]...
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Dec 21, 2009
I have a picture upload function in my flash and when I upload a picture I lose focus on the flash. This results in that all my listeners disappears. I cant click buttons, use dragbars etc. This only happens in FF. Im using flash player 10 and Snow Leopard. ive tried to get the focus back by sending a call to javascript:
[Code].....
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Mar 12, 2012
I'm looking for a script which allows the creation of a custom selection on a image online. This step is just after an upload. As a picture is worth a thousand words:
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Jan 29, 2012
I need to execute some javascript string code from flash swf file using actionscript 3.
I read that it could be done by passing the javascript code to the parent html document , using externalinterface.call function. Then I assume it will be faster if I can declare functions in the javascript code in the HTML document in the first use of externalinterface.call funtion ; if flash code calls the javascript code repeatedly. So let me ask you how to do that. For details , any javascript to be loaded is unknown in design time and I can not prepare a javascript file to be loaded.
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Apr 16, 2009
I'd like to call a javascript function from an embedded .swf file. Specifically, I'd like to call a function in one of my externally linked javascript files from within: function loadTrack(){
[Code]...
which is in an .as file which I assume somehow becomes the swf file. How would I go about this and 're-compile' the .as file?
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Dec 19, 2010
I have a flash file that contains a package "game" which has a class "Scores" and a method setValue(). I want to write some lines of Javascript that allow me to call that method. Someone directed me to this tutorial, but I am still a bit confused.
Javascript: alert("start"); var so; so = document.embeds[0];
so.addParam("allowScriptAccess","always"); import flash.external.ExternalInterface;
ExternalInterface.call("setValue[2600]");
displays an alert to tell me that it has indeed began to execute saves the embedded flash file into a variable and sets access imports that class calls the method.I am not sure about how this class thing works? This is just the bits and pieces I was able to come up with from that site, but I don't really understand how it all works (but certainly hope to eventually).This is the site: http:[url]...how-do-i-access-flash-function-using-javascript.When I execute the code with the importation nothing happens, but the alert does come up when I don't have that statement?
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Feb 21, 2012
I am trying to upload a file on server using File class. Its working fine on local machine. But when i a placing the php file on server, it is giving Error #2038: File I/O Error.
[Code]...
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Dec 10, 2010
I have a swf file and i want to able to fullscreen this swf file using javascript. I have a button to access function inside of swf but it gives me error. I searched over google but nothing good i found. Is it impossible or i do something wrong?
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Jan 31, 2012
I'm using Agile Uploader in my project to resize image before upload on client side.And it works fine except one thing: if image name contains cyrillic letters it fails with server error 500.
How to avoid this or if needed how to rename file with english letters "on fly" (possibly with javascript).
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May 14, 2009
i need some help with this photo gallery im working on. im pretty sure i have almost everything correct but for some reason i cant get the thumbnails when clicked to link up with the img. i want it to show.
well i cant really upload the file here i just found out so i can email it to whoever leaves there email
if someone could take a look at the file and tell me what im doing wrong that would be so helpful ive been working on it for the past 2 days trying to fig. out whats wrong searching everywhere and i just cant fig. it out.
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Sep 9, 2006
If you have an .as file in the global include directory do you have to upload it to your server with the flash file or does it compile the flash file with the included info?
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Mar 2, 2009
I'm trying to figure out if there is a way to allow a user to upload a file in the background and let them continue to interact with flash movie, while the file is being uploaded. E.g. if they are uploading a 50mb file, we don't want the whole interface to be locked up for 10 minutes while the file uploads, it's be great if they can continue to interact in the movie while the file uploads. I'm guessing if they refresh the page, or navigate away from the movie, that the upload process would get cut off and there isn't anyway around that. Couple of ideas I had:
1. My first thought is that we could use a popup window with a upload form in it. Which is simple, but not very cool.
2. Use some sort of ajax background uploader in conjunction with flash ... not sure exactly if this is possible.
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Oct 15, 2009
I have a flash site (finally) but I need to host it through dreamweaver. I cant do it. I tried loading it thru the media option and it gave me an error. I have a lot riding on this site and Im at the last step only to find some new obstacle in my way.
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Jul 30, 2009
I recently used Flash to create the header for my website. However, when I tried to upload my .fla file along with the .swf (which had no problem), I couldn't because the file format isn't supported. Is there any way I can get around this?
Also, I heard that you have to upload some .js file or something.
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Jun 28, 2010
uploading files on Mac system. The same code runs perfect on a Windows system. Below is a snippet of the code I am using:
public class BrowseImage extends MovieClip
{
public var fr:FileReference = new FileReference();
public var ff:FileFilter = new FileFilter("Images", "*.jpg;*.gif;*.png;*.pdf,*.JPG,*.JPEG,*.GIF,*.PNG");
private var timeStamp:String;
[code].....
Once the file gets uploaded to the server, I load it into my application.Also, the script runs fine if there isn't any space in the file name of the file to be uploaded.
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Dec 12, 2009
i want to uplod csv file in to java from flex screen ? How can i do that ?
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