[DUG] HTTP Upload Progress

Thu Sep 18 11:04:32 NZST 2008

I totally agree Conor.
Infact I have built a whole product around a Delphi GUI interface and HTTP
Post and it works perfectly fine. Infact its used on average 450 times a day
for financial claiming and it never misses a beat!
However, I am now converting it over to use HTML files because of a small
speed issue because I the current version uses a pascal script language to
build up the GUI front end so that when the user makes a claimt hey have the
latest version every time, but regardless, it works well. Not only that, all
I am doing is shanging the GUI side of it, the ASP files at the back end
dont need to be changed....which is a bonus.
BUT I do also have yo use Javascript for some of the dynamic functionality
and so that the webpage can talk to my Delphi app. via window.external, and
I have learned a lot more about ajax and javascript, but still, cant beat a
win32 frontend :-)

Jeremy

On Thu, Sep 18, 2008 at 10:53 AM, Conor Boyd <Conor.Boyd at trimble.co.nz>wrote:

> Why everybody's obsession with forms/webpages?
>
> HTTP as a protocol has nothing specific to do with forms/pages/javascript.
>
> There's no reason why native code can't talk HTTP.  Indeed, a lot of the
> Indy components are for just that purpose, and I even provided an example of
> HTTP upload progress in native code.
>
> This is the Delphi list, after all. :-Þ
>
> Just curious...
>
> C.
>
> -----Original Message-----
> From: delphi-bounces at delphi.org.nz [mailto:delphi-bounces at delphi.org.nz]
> On Behalf Of Neven MacEwan
> Sent: Thursday, 18 September 2008 10:35 a.m.
> To: NZ Borland Developers Group - Delphi List
> Subject: Re: [DUG] HTTP Upload Progress
>
> Jeremy
>
> You could do it in Javascript reltively simply ||||||||||||| makes a decent
> progress bar, I have never got into graphics with JS though its would be
> relatively simple to resize a <div> as a progress bar
>
> This is the Ajax Tool I use WWW: http://www.AjaxToolbox.com/
>
> HTH
> Neven
> > yeah there is a bit of stuff around done in Java, but the last thing
> > we need to have to do is explain to people how to install java. The
> > same for flash, which is why I was heading in the native code direction.
> >
> > Jeremy
> >
> > ----------------------------------------------------------------------
> > --
> > *From:* delphi-bounces at delphi.org.nz
> > [mailto:delphi-bounces at delphi.org.nz] *On Behalf Of *Richard Vowles
> > *Sent:* 18 September 2008 05:46
> > *To:* NZ Borland Developers Group - Delphi List
> > *Subject:* Re: [DUG] HTTP Upload Progress
> >
> > The way I implemented this (in a Java web server) was that once the
> > form was submitted, an ajax request was fired off in the background
> > and repeatedly asked the server how the file upload was progressing,
> > and updated the amount of colour in a progress bar. The upload was
> > attached to the session, so  the ajax call was able to grab the info
> > structure from the session and query it (as the file upload specifies
> > how big something is and as the upload is happening, you can just
> > specify in the structure how much you had received).
> >
> > 2008/9/17 Jeremy Coulter <jscoulter at gmail.com
> > <mailto:jscoulter at gmail.com>>
> >
> >     Hi Al, sorry this is a repeated post, as I have not received any
> >     emails from the list in a week, then I got an email to reconfirm
> >     my email address because the emails were meant to be
> >     bouncing....which is strange because its my main email address and
> >     I have been getting emails ok....anyway using gmail now.
> >     So, here is my post again. Appologies if its already been answered.
> >
> >     Hi All.
> >     I am wondering if anyone has seen or has any Delphi code that will
> >     do an http file upload, BUT that shows you the upload progress.
> >     I have looked at the Synapse code for doing this, but it doesn't
> >     have the ability to show the progress.
> >     Why use HTTP File upload and not FTP? simple answer, not every
> >     site has FTP enabled...as we have found out, and email has been a
> >     bit unreliable.
> >     I have taken a look at the odd Java plugin that does this which
> >     would be good because I could just have my app. look at a webpage
> >     instead of build it into the exe, but then, no guarantees that
> >     java is enabled either....sigh...the joys :-(
> >     OR someone might even have a brighter idea ;-)
> >
> >     Jeremy
> >
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> >
> >
> >
> >
> > --
> > ---
> > Richard Vowles, Technical Advisor
> > Developers Inc Ltd
> > web. http://www.developers-inc.co.nz
> > ph. +64-9-3600231, mob. +64-275-467747, fax. +64-9-3600384 skype.
> > rvowles, LinkedIn, Twitter
> >
> >
> > ----------------------------------------------------------------------
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