# fileUpload by yui library

## init upload button

JavaScript bind click event in IE use JavaScript move CSS position

• uploader : Upload file
• uploaderOut : handle not drag area

## event

### fileSelect

select file & render upload list check file status handle fileList _upload

### uploadprogress

upload file progress

### uploadcomplete

upload complete check ok or fail _upload

### uploaderror

cancel & upload next

### _upload

check file status & upload status upload upload fileList[uploadfile]

### _cancelUpload

## Notice

### Y.Uploader.TYPE

• none(no flash)
• html5
  • drag & drop
• flash(IE)

    if (Y.Uploader.TYPE === 'none') {
        console.log('no install flash player');
        return;
    }
    // init upload button
    if (Y.Uploader.TYPE === 'html5') {
        // do something like drag & drop
    } else if (Y.Uploader.TYPE === 'flash') {
        // do something
    }

### Free Space

check free space & show message update free space

### Drag & drop

only chrome can check isFile or isDirectory drop area check(use setTimeOut & clearTimeout)

### handle UI

when something behavior happen need check UI like cancel, complete and error

### upload list control

need update upload list status like cancel, complete and error control fileList

### queue

It is easy to control upload only one file upload and other queue

### If has total progress

need control & update total when something behavior happen like cancel, error and upload more