Posted by Kimmo Laine on 11/08/63 11:17

<edykstra@virtualcad.com> kirjoitti
viestiss�:1117486474.870158.88600@g14g2000cwa.googlegroups.com...
> Hello Dae,
>
> I get it now. However, as I have worked through this application, I
> have decided on more functionality that adds to the 'requirements' of
> the application. Basically, I need a Javascript 'Progress Bar' to let
> the User know things are working. I also need to partially control the
> progress bar from the server side. What I plan to do is simply use a
> client side progress bar (so it is really a 'guesstimate' of progress)
> and control from the server side if it is displayed or not.
>
> Here is the flow I see before I added this requirement:
>
> 1. User clicks on link for some_page.php which loads.
> 2. Refresh in some_page.php asks for file_gen.php which starts creating
> a file.
> 3. While user is waiting, the 'progress bar' on some_page.php begins.
> 4. file_gen.php completes file and sends to client.
> 5. User does a 'Save-As' (or Open-With etc).
> 6. some_page.php is still open and progress bar is still executing.
>
> This is misleading since the progress is complete.
>
> Here is what I propose, which minimizes the refreshes, but still allows
> control over the progress bar. Let me know if this makes sense.
>
> Better method:
>
> 1. User clicks on link for some_page.php which loads, with no progress
> bar.
> 2. User specifies file creation parameters and clicks submit (manual
> refresh).
> 3. Server sends back some_page.php with Javascript progress bar
> started.
> 4. Refresh in some_page.php asks for file_gen.php which starts
> creating file.
> 5. While User is waiting, the 'progress bar' on some_page.php
> continues.
> 6. file_gen.php completes file and sends same some_page.php to client.
> 7. some_page.php now has a progress bar at 100%.
> 8. some_page.php also contains a refresh to a now existing file.
> 9. Page refreshes and User does a 'Save-As' (or Open-With etc).
> 10. some_page.php is still open with progress bar at 100%.
> 11. User can go back to step 2, which causes the progress bar to be
> removed.
>
> Note: The 'some_page.php' is actually a small dialog with only 2 small
> jpegs. The file to be created can take up to 30 seconds on a FAST
> machine. (Long story) If either of these facts were not true, I
> wouldn't really like the above solution. But, I think in this case it
> is the best solution.
>
> Thoughts? Have I 'got it' now? :)
>


You 'got it' up to the point where you said 'I get it now'. Then you started
rambling about this crazy progressbar... Look, you can say to user
"generating file may take up to 30 seconds, please wait". And there's a
progressbar in all browsers I've seen so far. Call me old-fashioned, but I
think a) the users aren't that stupid that they would require another
progressbar and b) you'll just end up looking stupid with the thing.

Just a thought.

--
"I am pro death penalty. That way people learn
their lesson for the next time." -- Britney Spears

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