Matt,
Thanks! This answered another post I had before checking up on this
one...
Thanks again!
BN
On Sep 18, 8:19 am, Matt Foster <[EMAIL PROTECTED]> wrote:
> Using an iframe to upload a file isn't too difficult and can be done
> with almost any server side language, you simply post the form to the
> frame as any other submission, then instead of displaying the page in
> the iframe, have a snippet of code to execute a javascript method in
> the parent window.
>
> window.parent.domManager.setMessage("File transfer successful");
>
> That statement will be executed when the frame has finished processing
> the file, I found that to be the easiest way.
>
> window references the current window, being the iframe, parent
> references the containing window, being the main browser window.
> domManager being some object that has element references, setMessage
> being a function to insert the string into one of those elements.
>
> I can't remember exactly how the file transfer comes across in the
> form struct, but <cfdump/> is your friend and should explain things.
> I believe the file gets saved to a tmp directory, and the name of
> input is the property of the form object that contains the path to
> this file.
>
> On Sep 17, 2:37 pm, BrentNicholas <[EMAIL PROTECTED]> wrote:
>
>
>
> > Matt,
>
> > Thanks for the reply. Yeah, I found that js can't get at the file
> > system and did a little looking around. I found this AJAX IFRAME
> > METHOD (AIM) at:http://www.webtoolkit.info/ajax-file-upload.html
>
> > At first glance it seems like a resonable solution, however now I have
> > to figure out how to get ColdFusion to gain access to the form var
> > that's passed over.
>
> > Thanks again,
>
> > BN
>
> > On Sep 17, 12:04 pm, Matt Foster <[EMAIL PROTECTED]> wrote:
>
> > > Greetings Brent,
>
> > > Its not that Prototype has somehow neglected this aspect, but
> > > simply the fact that an input type='file' cannot be transferred as you
> > > have expected. Its value is a path, not the source of the file
> > > itself. There are very strict rules on this input type for security
> > > reasons. Javascript never has access to the source of the file so it
> > > can't be placed into an XHR request. As you noted you can keep a
> > > stateful web app and load the files via an off screen IFRAME. This
> > > is the best approach while sticking to DHTML, there are more advanced
> > > solutions using a Flash object but thus requiring your users to have
> > > the plugin.
>
> > > Regards,
> > > Matt
>
> > > On Sep 17, 12:14 pm, BrentNicholas <[EMAIL PROTECTED]> wrote:
>
> > > > I've read that Prototype can not seralize files that have been
> > > > selected for upload in the form. Found this out the hard way....
> > > > "Hrmm. Every thing else loaded... where's my file?"
>
> > > > Is this still the case?
>
> > > > I've read that most people do an iFrame solution.
> > > > Anyone have other ideas?
>
> > > > Thanks for your time,
> > > > BN- Hide quoted text -
>
> > > - Show quoted text -- Hide quoted text -
>
> - Show quoted text -
--~--~---------~--~----~------------~-------~--~----~
You received this message because you are subscribed to the Google Groups
"Prototype & script.aculo.us" group.
To post to this group, send email to [email protected]
To unsubscribe from this group, send email to [EMAIL PROTECTED]
For more options, visit this group at
http://groups.google.com/group/prototype-scriptaculous?hl=en
-~----------~----~----~----~------~----~------~--~---
