When I tested this with images I kept getting "-1 KB" or "Undefined",
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If you have received this message in error, please notify the sender immediately by e-mail and delete all copies of the message. =========================================================== ----- Original Message ----- From: "Dave Shelley" <[EMAIL PROTECTED]> To: "Multiple recipients of list witango-talk" <[EMAIL PROTECTED]> Sent: Monday, June 24, 2002 5:55 PM Subject: RE: Witango-Talk: Javascript Question -- upload file size > Thanks Scott, that was what I was missing. > > The attached .TML file demonstrates how to get the size of an image without > uploading it to the server. I wanted to do it generically for all files, but > I could only get it to work with images. Anthony was right, you can't get > the properties of a document with a different host and prottcol. That would > be too big a security hole. > > In a nutshell, it works like this. The top frame has INPUT TYPE=FILE tag. An > onChange handler writes an IMG tag to the bottom frame which loads the file > locally. 200ms later (to give the image time to load) it gets the > image.fileSize. > > > Thanks everyone for your help. > Dave Shelley > > > -----Original Message----- > > From: [EMAIL PROTECTED] > > [mailto:[EMAIL PROTECTED]]On Behalf Of Scott Cadillac > > Sent: Monday, June 24, 2002 5:16 PM > > To: Multiple recipients of list witango-talk > > Subject: Re: Witango-Talk: Javascript Question > > > > > > Hi Dave, > > > > I haven't tried it, but there is a 'document' property called 'fileSize', > > so maybe: > > > > var txt = parent.otherFrame.document.fileSize; > > > > Of course, this may be an MSIE extension. More information is available > > here: > > http://msdn.microsoft.com/library/default.asp?url=/workshop/author > > /dhtml/re > > ference/properties/filesize.asp > > (Above URL may word-wrap). > > > > Good luck and let us know how it goes. Cheers... > > > > Scott Cadillac > > http://xml-extra.net > > [EMAIL PROTECTED] > > > > http://witango.org > > [EMAIL PROTECTED] > > > > VP, Research and Development > > Plus International Corp. > > 604-460-1843 > > [EMAIL PROTECTED] > > http://www.plusinternational.com > > > > Vancouver, BC, Canada > > > > Does your company have an Enterprise Information Portal? Check > > out Salsa at > > www.plusinternational.com/flash/salsa.htm > > > > ----- Original Message ----- > > From: "Dave Shelley" <[EMAIL PROTECTED]> > > To: "Multiple recipients of list witango-talk" <[EMAIL PROTECTED]> > > Sent: Monday, June 24, 2002 1:55 PM > > Subject: RE: Witango-Talk: Javascript Question > > > > > > > Maybe I should explain what I'm trying to do. > > > > > > I'd like to check the size of an upload file on the client > > machine before > > > it's uploadad. I realize it's been said that it can't be done, > > but that's > > > never stopped me from trying before. ;) > > > > > > Starting with [input type=file name=theFile size=50> > > > and an onChange handler that says: > > > parent.hiddenFrame.location='file:\\'+theFile.value; > > > This loads the file in the hiddenFrame. (Also works for > > previewing gif's) > > > > > > Next I want to figure out how big it is. If I could get the contents, I > > > could do a .length on it. > > > > > > So I can't user <@url>. The host and protocol are different from the > > parent > > > frame. I think I'm stuck. > > > > > > Thanks. > > > Dave > > > > > > > -----Original Message----- > > > > From: [EMAIL PROTECTED] > > > > [mailto:[EMAIL PROTECTED]]On Behalf Of Ben Johansen > > > > Sent: Monday, June 24, 2002 3:48 PM > > > > To: Multiple recipients of list witango-talk > > > > Subject: RE: Witango-Talk: Javascript Question > > > > > > > > > > > > Just a thought, haven't thought it all the way > > > > Using the @URL and populating a hidden object that JS can get to > > > > > > > > Ben Johansen - http://www.pcforge.com > > > > Authorized Witango Reseller http://www.pcforge.com/WitangoGoodies.htm > > > > Latest downloads & List Archives @ http://www.witango.ws > > > > > > > > > > > > -----Original Message----- > > > > From: [EMAIL PROTECTED] > > > > [mailto:[EMAIL PROTECTED]] On Behalf Of Dave Shelley > > > > Sent: Monday, June 24, 2002 9:27 AM > > > > To: Multiple recipients of list witango-talk > > > > Subject: Witango-Talk: Javascript Question > > > > > > > > Is it possible to read the entire contents of one frame from within > > > > another > > > > frame? Something like: > > > > var txt = parent.otherFrame.document.innerHTML; > > > > > > > > I have my doubts as this would open a huge security hole, but > > I thought > > > > I'd > > > > ask anyway. > > > > > > > > Dave Shelley > > > ________________________________________________________________________ TO UNSUBSCRIBE: send a plain text/US ASCII email to [EMAIL PROTECTED] with unsubscribe witango-talk in the message body
