[FX.php List] Displaying Progess Bar - Revised

[Steve Winter]

Hi Jonathan,

Here's a demo of what I was talking about
http://clients.matatirosolutions.co.uk/fmpDemo/progress/index.php

Hopefully it will be helpful to you (and others)...

Cheers
Steve


PS I currently have slots in my consulting dance card if anyone needs a
freelance developer...



-----Original Message-----
From: fx.php_list-bounces at mail.iviking.org
[mailto:fx.php_list-bounces at mail.iviking.org] On Behalf Of Jonathan Schwartz
Sent: 27 January 2008 20:24
To: FX.php Discussion List
Subject: RE: [FX.php List] Displaying Progess Bar - Revised

Steve,

Well thanks for the encouragement...and the detailed steps.

Not having jumped into AJAX yet, the steps you've outlined are 100% 
Greek at this point.  But, I will use it as a guide as I start the 
AJAX learning curve.  You hear that Joel?

;-)

Jonathan



At 8:15 PM +0000 1/27/08, Steve Winter wrote:
>Hi Jonathan...
>
>Nope, far from impossible if AJAX is an option... ;-) AJAX is your friend,
>and although he can be a little hard to get to know, a very good friend to
>have in the long run...
>
>Here's a quick rundown on how to do it an AJAX way...
>
>1. Create a div in your main page which has an opacity to it, give it a
>z-index greater than the highest z-index element on your page, and set it's
>display properties to none.
>2. Create another div, which has a z-index 1 higher than the above 'mask'.
>Position an animated 'Loading' .gif file in the middle of that. Set display
>to none for that too.
>3. Create you page. Have your content inside a div with specified id.
>4. Set an onsubmit="return false(); doSubmit();" on the form in your page.
>The return false stops the page from being submitted on Javascript aware
>browsers (but allows those that don't speak JavaScript to submit the form
as
>usual)
>5. have the function doSubmit()
>	1. set the size of the mask div to be full screen, and its display
>properties to block
>	2. set the position of the animation div to the centre of the
>screen, and display to block.
>	3. use AJAX to submit the content of the form to your processing
>script.
>6. Add a small script to the end of your processing page, which sets the
>display of the mask and the animation back to none.
>
>If you use a 'helper' like prototype.js, then the AJAX stuff is dead easy,
>as it provides nice function calls of the type Ajax.Updater('div', 'file',
>'parameters');
>
>I can send you a quick demo file tomorrow if you're interested...
>
>Cheers
>Steve
>
>-----Original Message-----
>From: fx.php_list-bounces at mail.iviking.org
>[mailto:fx.php_list-bounces at mail.iviking.org] On Behalf Of Jonathan
Schwartz
>Sent: Sunday, 27 January 2008 8:01 p.m.
>To: FX.php Discussion List
>Subject: [FX.php List] Displaying Progess Bar - Revised
>
>Hi Folks,
>
>After a bunch of research, I've figured out that a progress bar is
>near impossible to do...even with javascript and AJAX.
>
>I'll settle for a screen with ANY INDICATOR OR MESSAGE at all while
>the script runs.  Presently, if I run the script from the current
>page, it just shows the current page.  If I run the script from its
>own page, the page remains blank until the script is completed.
>
>All I want is to be able to display a message, "Please wait while
>processing your request...."
>
>I've been down this path before but gave up.  This time, it is really
>needed during the 15 second processing time of the script I developed
>this week.
>
>If I'm approaching this wrong, please let me know.
>
>Thanks,
>
>Jonathan
>--
>Jonathan Schwartz
>Exit 445 Group
>jonathan at exit445.com
>http://www.exit445.com
>415-381-1852
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-- 
Jonathan Schwartz
Exit 445 Group
jonathan at exit445.com
http://www.exit445.com
415-381-1852
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