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Change Log

Version 2.6.2

  • Added UTF-8 encoding to X-File-Name request header

Version 2.6.1

SimpleAjaxUploader.js:

  • Added disabled status check to file button keyboard support
  • Fixed bug in _getProg method where undefined error was occurring after destroy() method has been called

Version 2.6

SimpleAjaxUploader.js:

  • Added keyboard support for file button. Pressing Enter while focused on file select button now opens file dialog box - #183 (Special thanks to phy25 for this.)
  • Added new multipleSelect option to allow/disallow multiple file selection (default false)
  • Modified multiple option to now only control whether multiple, concurrent uploads are permitted
  • Added new onDone( filename, status, statusText, response, uploadBtn, size ) method which fires after each individual upload finishes
  • Added new onAllDone() method which fires when all active uploads finish
  • Added JSHint comments to suppress "better written in dot notation" warnings

Uploader.php:

  • Added getFileNameWithoutExt method - #182 (Special thanks to sainrew for this)

Version 2.5.5

SimpleAjaxUploader.js:

Uploader.php:

  • Improved filename sanitation
  • Replaced instances of array_key_exists with the faster isset

Version 2.5.4

SimpleAjaxUploader.js:

  • Added check for parent node inside of ss.isVisible() - #160

Version 2.5.3

SimpleAjaxUploader.js:

  • Fixed issue with dragleave firing when hovering a child element - #156 - (Special thanks to JulesDoe for this)

Version 2.5.2

SimpleAjaxUploader.js:

  • Added param check before appending file to allow for manually appended files - #155 (Special thanks to ablipan for this)
  • Fixed check of the internal variable which tracks active upload count to check as integer rather than length property - #150 (Special thanks to benzamin for this)

Examples:

  • Cleaned up buggy code in README examples - #150 (Special thanks to benzamin for this)

Version 2.5.1

SimpleAjaxUploader.js:

  • When returning false from onSubmit(), files will now be removed from queue automatically

Version 2.5.0

SimpleAjaxUploader.js:

  • Removed additional name parameter from XHR uploads - #141 (Special thanks to djxhero for this one)

Version 2.4

SimpleAjaxUploader.js:

  • multipart option now defaults to true
  • noParams option now defaults to true

Note: One or both of the above changes may be potentially breaking for anyone not using the included Uploader.php class. If this is the case, the fix is to explicitly set both of these options to false in your plugin settings. More info: #137

  • Added form integration functionality -- new option form and new method setForm(). See README.md for details
  • Added addButton() method for adding upload buttons - #104
  • Added addDZ() method for designating an element as a drop zone
  • Added customProgressHeaders option to include additional, custom request headers to upload progress update requests in legacy browsers
  • Added autoCalibrate option (default true). When autoCalibrate is true, upload buttons which are not visible at initialization will be auto reset with updatePosition() upon becoming visible
  • Added onBlankSubmit() callback function to be called when user attempts to submit without selecting a file - #101
  • Improved event handler management for iFrame uploads
  • Reconfigured code structure into more logical format

Version 2.3

SimpleAjaxUploader.js:

  • Added UTF-8 encoding to XHR request headers in order to handle all characters/languages - #126, #128
  • Added encodeHeaders option to enable/disable UTF-8 encoding of XHR request headers (default is true)
  • Removed encodeCustomHeaders option, as it is no longer necessary with newly added UTF-8 encoding for all headers
  • onChange() callback function now receives the selected file as its 5th argument - #132
  • Added withCredentials option to include user credentials in upload request (default is false)
  • Updated ss.trim() to use native String.trim if available
  • Drag and drop file selection now correctly honors return false from onChange() callback function
  • Updated drag and drop functionality to cancel default action for ondragover and ondragenter per https://msdn.microsoft.com/library/ms536929(v=vs.85).aspx

Version 2.2.4

SimpleAjaxUploader.js:

  • Added pre-check for element and class name params to ss.hasClass, ss.addClass, and ss.removeClass methods

Uploader.php:

  • Added getMimeType($filename) method for detecting the MIME Content-type of a file using the PHP finfo class
  • Added isWebImage($filename) method for checking whether a file is either a GIF, PNG, or JPEG using exif_imagetype

More info about the new methods can be found at: https://www.lpology.com/code/ajaxuploader/phpdocs.php

Version 2.2.3

SimpleAjaxUploader.js:

  • Fixed bug in destroy() method that was throwing error in property delete loop

Version 2.2.2

  • Switched to an improved UMD implementation
  • X-File-Name request header is now encoded when encodeCustomHeaders is set to true
  • Added a few small mem leak fixes for IE9 and older

Version 2.2.1

SimpleAjaxUploader.js:

  • Added file size as argument passed to onComplete( filename, response, uploadBtn, size ) callback function
  • Added file size as argument passed to onError( filename, type, status, statusText, response, uploadBtn, size ) callback function
  • Added file size as argument passed to onAbort( filename, uploadBtn, size ) callback function

Package Management:

  • Added package.json
  • Added bower.json
  • Added CommonJS support

Documentation:

  • Updated API reference to fix missing and incomplete SimpleAjaxUploader.js API coverage

Version 2.2

SimpleAjaxUploader.js:

  • Upload buttons are now clickable for 100% of height
  • Changed mouseover and mouseout events from input field to div wrapper for better responsiveness
  • Fixed bug where file input layout visibility was not returning to invisible on mouseout if hoverClass option not defined

Uploader.php:

  • Added check to verify that upload directory exists before checking writability in order to provide more precise error messages

Documentation:

Version 2.1.1

SimpleAjaxUploader.js:

  • Fixed onChange() button argument bug - #115 (Special thanks to zaygraveyard for this.)

Version 2.1

SimpleAjaxUploader.js:

  • Headers are no longer URL encoded by default. A new option encodeCustomHeaders has been added, which when set to true will result in custom headers being URL encoded.
  • Added updatePosition() method for correcting the position of the upload button after interacting with form - #105 - (Special thanks to vovayatsyuk for this.)
  • Fixed drop zone element z-index bug
  • Moved verification of drop zone element to inside of constructor

Version 2.0.1

Uploader.php:

  • Fixed file name security vulnerability - #91 - (Special thanks to nickgardos for this)

SimpleAjaxUploader.js:

  • Added support for Cyrillic characters in file names - #88 - (Special thanks to a-dorosh for this)
  • Fixed issue with drag class not being removed on drag error

Version 2.0

SimpleAjaxUploader.js:

  • Added support for drag and drop file uploads
  • Added ss.uploadSetup() method to set default uploader option values (useful for multiple uploader instances)
  • Added noParams option to disable the default behavior of appending the file name to the URL query string
  • Numerous code improvements throughout -- bug fixes, memory usage, etc.

Uploader.php:

  • Refactored into a single class in accordance with one class, one file
  • Made improvements to error detection and handling
  • Added support for reading the X-File-Name header as an alternative to query string parameters for sending file names to the server
  • Set default value of the $uploadName property to be "uploadfile" for consistency with the examples - #72

Version 1.11

  • Added support for PHP Session Upload Progress for PHP 5.4+ (APC was deprecated in 5.3)
  • Added clearQueue() method which gives the user the ability to clear all files in queue - #62 - (Special thanks to mouse0270 for this one)
  • Fixed multiple file selection bug - #67 - (Special thanks to genintho for this)
  • Fixed bug which could allow form/input elements to be created with invalid name/ID attributes in IE7-9

Version 1.10.1

  • iframe and form elements are now created with document.createElement() rather than the much slower HTML injection method
  • Removed unused variable from _uploadIframe()

Version 1.10

  • Added setOptions() method for setting or changing upload options - #54 - (special thanks to hauru for this)
  • Added customHeader option for sending custom request headers - #47 (special thanks to cillosis for this)
  • Updated ss.parseJSON() to use a more secure method of manually parsing JSON

Version 1.9.1

  • onError() callback now receives server response as an argument, if it exists, or false if it does not - #37 (special thanks to KSDaemon for this)

    API Change Note: For consistency with the other callbacks, the server response is passed to onError() as the next to last argument, directly before the upload button. Therefore, if you use the upload button parameter in onError(), you will need to update your code when upgrading.

  • Switched from Google Closure Compiler to YUI Compressor for minification

Version 1.9

  • Added CORS support - Learn more
  • Query string parameters for Nginx Upload Progress Module in _uploadIframe() are now encoded with encodeURIComponent()
  • Upload progress ID keys are now generated prior to each upload instead of on page load
  • Query string parameters passed to url are now preserved - #34 (special thanks to Deefjuh for this)

Version 1.8.2

  • A reference to the button which triggers an upload is now passed as the last argument to the following callbacks: onAbort(), onChange(), onSubmit(), onComplete(), onError(), startXHR(), endXHR(), startNonXHR(), endNonXHR() (can be useful when using multiple upload buttons)
  • Fixed bug which caused some methods to not work if called inside of startXHR() or startNonXHR()
  • Fixed bug causing undefined variable in IE9 and older if progressUrl and nginxProgressUrl are not set

Version 1.8.1

  • Added destroy() method for completely removing upload functionality
  • Removed redundant call to ss.verifyElem() inside of rerouteClicks()
  • Moved browser-specific checks to top of IIFE, as they only need to execute once

Version 1.8

SimpleAjaxUploader.js:

  • Added support for Nginx Upload Progress Module
  • Added setAbortBtn() method to designate an element as "cancel" button
  • Added onAbort() callback function to specify behavior upon manual abort
  • Added setPctBox() method to designate an element to be injected with upload progress percentage
  • Switched to a unique ID function that is RFC 4122 version 4 compliant
  • The button option now accepts either a single button (element ID string, element, or jQuery object), or an array of buttons. If an array is passed, each element in the array will work as an upload button
  • Upload progress update request keys are now locally generated
  • Fixed bug that was causing onError() to be fired twice
  • For consistency with jQuery behavior, any 2xx status code is now handled as a successful response (previously, only 200 and 201 were successful)
  • Upload buttons are now being properly disabled/enabled at correct points
  • Made significant improvements to error handling, particularly with iframe uploads and retrieving server provided progress updates
  • Fixed a number of potential memory leaks for Internet Explorer
  • Regular expressions are now pre-compiled and cached for better performance
  • For server progress tracking, sizeBox and onUpdateFileSize() are no longer pointlessly set/called again after first progress update is received

uploadProgress.php:

  • Removed functionality for returning upload keys, as RFC 4122 v4 compliant UUIDs are now generated client side

Version 1.7

SimpleAjaxUploader.js:

  • Fixed IE6/IE7 memory leak when removing elements without first removing event listeners (issue #21)
  • Fixed possible race condition in which removeCurrent() could potentially delete the wrong file from the upload queue
  • Multiple file inputs are now disabled in Safari due to a browser bug that just screws everything up (see: http://stackoverflow.com/q/7231054/1091949)
  • Switched to a smaller, faster process for cross-browser bounding box calculation
  • Updated to faster methods of checking for, adding, and removing element CSS classes
  • Combined _checkExtension() with _checkFile() to eliminate a function call/reduce code size
  • Combined _handleIframeResponse() with _uploadIframe() and switched to a more efficient method of getting iframe contents
  • Removed a number of unnecessary/redundant function calls, along with some unnecessary variable copying
  • Updated ss.verifyElem() to use the much faster charAt() and substr() in place of a regex and slice()
  • Added separate feature detection for file input accept attribute

Uploader.php:

  • Removed unnecessary check of $allowedExtensions for null value in handleUpload()
  • Added final keyword to FileUploadXHR and FileUploadPOSTForm classes and their respective methods to discourage direct use

Version 1.6.5

  • When using multipart, additional data will now also appended to the multipart form.
  • Cleaned up some messy code -- organization, unnecessary variable copying, etc.

Version 1.6.4

  • Switched from using setAttribute to dot notation for setting element properties (some versions of IE don't handle setAttribute well)
  • ss.removeItem() now uses the faster countdown method to loop through arrays
  • In accordance with W3 standards, _uploadXhr() now accepts either a 200 OK or 201 Created as a successful response
  • Uploader.php -- the handleUpload() method now checks whether the allowedExtensions property is empty instead of null. This prevents an "Invalid file type" error resulting from passing an empty array

Version 1.6.3

  • Fixed bug which allowed onComplete() to be called after JSON parse error

Version 1.6.2

  • Overhauled error handling to fix a number of issues.
  • Added consistent error types for onError() so that the second parameter will be either: parseerror (bad JSON from server), transfererror (xfer error during XHR upload), servererror (server response not 200 OK)
  • Fixed problem with null file size parameter for endXHR() callback

Version 1.6.1

  • Plugin is now wrapped in an IIFE
  • Leading semicolon added to close any previous statement
  • Code is now in strict mode
  • Cleaned up a few messy areas

Version 1.6

If the 1.6 release has a theme, it is flexibility. Nearly every update in this release is intended to allow greater flexibility for developers.

  • Submitting a file which exceeds maxSize or is not an allowedExtension no longer triggers an alert, but will instead fire a callback
  • Added onSizeError() callback function which fires when a file exceeds the maxSize option, if it is set
  • Added onExtError() callback which fires when a file is not permitted by the allowedExtensions option, if it is set
  • Removed messages option and _errorMsg(), both of which are no longer used
  • Added new accept option, the value of which will be the value of the accept file input attribute in supporting browsers. More info.
  • Added new method option to allow specifying an HTTP method other than POST

Special thanks to dleffler, devtrends and urcadox for their ideas and feedback.

Version 1.5.3

  • Added autoSubmit check before submitting in _cycleQueue()
  • Added check to ensure upload progress server key doesn't exceed 57 characters (max allowable APC key length)
  • rerouteClicks(element) can now be used to add additional elements which can be clicked to open file box

Version 1.5.2

(This isn't as much a release as it is a signal to update for anyone who may have downloaded version 1.5.1 in the past few hours)

  • Fixed "bug" from 1.5.1 that broke uploader without multiple option enabled
  • Added queue option to disable automatic file queuing

Version 1.5.1

  • Multiple file inputs are now used in browsers with support for File API, thus allowing multiple file selection if multiple option is true
  • Removed some unnecessary variable copying
  • Added queue system which allows files to be selected and automatically uploaded as others finish
  • Added getQueueSize() function to get current number of files waiting in queue
  • Fixed bug in which active upload counter was not properly updating when returning false from startXHR() and startNonXHR()
  • Error messages now incorporate file names

Version 1.5

  • Added support for multiple file uploading, along with Gmail-style multiple progress bars for tracking each file.
  • Added new maxSize option for file size limits, allowedExtensions option for file type restrictions. Custom error messages supported for both.
  • Updated verifyElem() to use a better method of detecting if an upload button is a jQuery object.
  • Numerous code enhancements throughout - updated error handling, cleaner organization, performance improvements.
  • Patched some memory leaks created by circular references in event handlers.

Version 1.4.2

  • SimpleAjaxUploader.js - Added multipart option to allow multipart form upload instead of binary stream
  • Uploader.php - The check for form uploads is now first in the constructor to accomodate new multipart option
  • Uploader.php - Providing an array of valid file extensions is now optional. If not provided, all file types are allowed
  • Added minified version of JS file

Version 1.4.1

  • Fixed XHR status check logic that could allow false alarm calls to onError callback
  • Removed redundant XHR status check
  • Returning false from a callback no longer clears the file field. Not sure why it ever did to begin with.
  • A status check now occurs prior to progress update requests to prevent potential loop that could be caused by a server error
  • Parsing JSON in older browsers no longer uses eval because it's evil

Version 1.4

This release includes a major overhaul that adds functionality for implementing cross-browser upload progress support. Through feature detection and abstraction, it is now possible for the onProgress callback function to maintain consistent behavior across browsers.

Currently, only PHP (with APC extension) is supported. To use, set the newly added progressUrl option to the URL of the included UploadProgress.php script, and onProgress will then return upload progress data in Internet Explorer 9 and below.

Note that this added functionality does not affect the behavior of the plugin for those not using PHP, or just not using the feature.

For those not using PHP, a similar result can still be achieved with the startXH/endXHR and startNonXHR/endNonXHR callback functions, which are included specifically for defining behavior based on whether XHR uploads are supported.

Also, adding support for other programming languages would certainly be a welcome addition, if anyone is interested in working on that.

Other items:

  • Added onUpdateFileSize callback function for getting file size in IE9 and below (When server supported progress is enabled)
  • Removed the unneccessary _handleJSON method
  • Added new ss.newXHR method
  • Added extras folder for non-necessary items (i.e., everything but SimpleAjaxUploader.js)
  • Adjusted request headers for XHR uploads
  • Moved support detection for HTML5 File API to constructor so it only executes once
  • Timestamps now appended to URLs to prevent browsers from caching requests

Version 1.3

  • Returned to version numbering
  • Updated method for parsing JSON
  • Added PHP class for handling file uploads
  • Cleaned up messy areas

Earlier versions

Prior to version 1.3, I did a pretty horrible job of documenting changes, and, at one point, entirely dispensed with any notion of version control whatsoever. I have since seen the light.