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jQuery jQuery Filedrop

jQuery Filedrop is a jQuery Drag / drop plugin.

Created by Weixiyen

jQuery plugin – drag and drop desktop files and POST to a URL to handle files.

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jQuery filedrop plugin

HTML5 drag desktop files into browser

jQuery filedrop uses the HTML5 File API to allow users to drag multiple files from desktop to the browser, uploading each file to a user-specified URL.

filedrop uses HTML5 FileReader() to read file data.

Browser Support

Works on Chrome, Firefox 3.6+, IE10+, and Opera 12+.

Would love contribution for Safari support.

filedrop also allows users to define functions to handle the BrowserNotSupported error.

Usage Example

    fallback_id: 'upload_button',   // an identifier of a standard file input element, becomes the target of "click" events on the dropzone
    fallback_dropzoneClick : true,  // if true, clicking dropzone triggers fallback file selection and the fallback element is made invisible.
    url: 'upload.php',              // upload handler, handles each file separately, can also be a function taking the file and returning a url
    paramname: 'userfile',          // POST parameter name used on serverside to reference file, can also be a function taking the filename and returning the paramname
    withCredentials: true,          // make a cross-origin request with cookies
    data: {
        param1: 'value1',           // send POST variables
        param2: function(){
            return calculated_data; // calculate data at time of upload
    headers: {          // Send additional request headers
        'header': 'value'
    error: function(err, file) {
        switch(err) {
            case 'BrowserNotSupported':
                alert('browser does not support HTML5 drag and drop')
            case 'TooManyFiles':
                // user uploaded more than 'maxfiles'
            case 'FileTooLarge':
                // program encountered a file whose size is greater than 'maxfilesize'
                // FileTooLarge also has access to the file which was too large
                // use file.name to reference the filename of the culprit file
            case 'FileTypeNotAllowed':
                // The file type is not in the specified list 'allowedfiletypes'
            case 'FileExtensionNotAllowed':
                // The file extension is not in the specified list 'allowedfileextensions'
    allowedfiletypes: ['image/jpeg','image/png','image/gif'],   // filetypes allowed by Content-Type.  Empty array means no restrictions
    allowedfileextensions: ['.jpg','.jpeg','.png','.gif'], // file extensions allowed. Empty array means no restrictions
    maxfiles: 25,
    maxfilesize: 20,    // max file size in MBs
    dragOver: function() {
        // user dragging files over #dropzone
    dragLeave: function() {
        // user dragging files out of #dropzone
    docOver: function() {
        // user dragging files anywhere inside the browser document window
    docLeave: function() {
        // user dragging files out of the browser document window
    drop: function() {
        // user drops file
    uploadStarted: function(i, file, len){
        // a file began uploading
        // i = index => 0, 1, 2, 3, 4 etc
        // file is the actual file of the index
        // len = total files user dropped
    uploadFinished: function(i, file, response, time) {
        // response is the data you got back from server in JSON format.
    progressUpdated: function(i, file, progress) {
        // this function is used for large files and updates intermittently
        // progress is the integer value of file being uploaded percentage to completion
    globalProgressUpdated: function(progress) {
        // progress for all the files uploaded on the current instance (percentage)
        // ex: $('#progress div').width(progress+"%");
    speedUpdated: function(i, file, speed) {
        // speed in kb/s
    rename: function(name) {
        // name in string format
        // must return alternate name as string
    beforeEach: function(file) {
        // file is a file object
        // return false to cancel upload
    beforeSend: function(file, i, done) {
        // file is a file object
        // i is the file index
        // call done() to start the upload
    afterAll: function() {
        // runs after all files have been uploaded or otherwise dealt with

Queueing Usage Example

To enable the upload of a large number of files, a queueing option was added that enables you to configure how many files should be processed at a time. The upload will process that number in parallel, backing off and then processing the remaining ones in the queue as empty upload slots become available.

This is controlled via one of two parameters:

maxfiles: 10    // Limit the total number of uploads possible - default behaviour
queuefiles: 2   // Control how many uploads are attempted in parallel (ignores maxfiles setting)

Not setting a value for queuefiles will disable queueing.


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