[Seaside] Is it possible to know uploaded file name ?

David Shaffer cdshaffer at acm.org
Sun Mar 20 12:47:45 CET 2005

Dmitry Dorofeev wrote:

> Hi All,
> When i use file upload entry like this:
> html fileUploadWithCallback: [:f | ....]
> I get file content of the uploaded file (String) in the f.
> Is there a way to know original filename?
> Thanks.
> -Dmitry.

Hmm...when I use fileUploadWithCallback: I get an instance of WAFile in 
the callback.  I simply send it #fileName to get the name.  You have to 
make sure to:

html attributeAt: 'enctype' put: 'multipart/form-data'.

right before you send form:.  Attached is a component that I use a lot.


-------------- next part --------------
'From Squeak3.7 of ''4 September 2004'' [latest update: #5989] on 20 March 2005 at 11:46:15 am'!
WAComponent subclass: #PageUploader
	instanceVariableNames: 'lastFilename directory'
	classVariableNames: ''
	poolDictionaries: ''
	category: 'SC-Components'!

!PageUploader methodsFor: 'accessing' stamp: 'cds 4/3/2004 23:57'!
	^directory! !

!PageUploader methodsFor: 'accessing' stamp: 'cds 4/3/2004 23:57'!
directory: anObject
	directory := anObject! !

!PageUploader methodsFor: 'actions' stamp: 'cds 4/4/2004 00:02'!
fileSent: file 
	| f |
	file isNil | file isString
		ifTrue: [^ nil].
	lastFilename _ file fileName.
	f _ self directory
				forceNewFileNamed: (self fixName: file fileName).
	[f nextPutAll: file contents]
		ensure: [f close]! !

!PageUploader methodsFor: 'actions' stamp: 'cds 4/8/2004 16:03'!
fixName: fileName 
	fileName ifNil: [^nil].
	^ (fileName findTokens: '\/') last! !

!PageUploader methodsFor: 'actions' stamp: 'cds 4/2/2004 17:56'!
	^lastFilename ifNil: ['']! !

!PageUploader methodsFor: 'rendering' stamp: 'cds 4/3/2004 23:52'!
renderContentOn: html 
	html attributeAt: 'enctype' put: 'multipart/form-data'.
		form: [html
				fileUploadWithValue: self lastFilenameOrEmptyString
				callback: [:f | self fileSent: f].
			html submitButtonWithText: 'Send file']! !

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