RE: IE AJAX Focus Stuff (maybe a little off topic)

2006-11-13 Thread Stewart, Gary


> -Original Message-
> From: David Legg [mailto:[EMAIL PROTECTED]
>
> I can't stand seeing a grown man cry ;-)  So I thought I'd 
> chip in with some ideas.

I'm 13. Just kidding.

I've got somewhere though. IE is messed up, but we knew that anyway. The three 
laws of IE6 AJAX in CForms appear to be:

1, If you are altering the DOM of the form item you are about to tab into then 
it will trigger the bug. 
2, If you are moving to a selection list from an item that has just been 
altered then you trigger the bug.
3, If IE can cause you pain and grief then it will do.

I tested this without using tabindex (which worked ok). Really just selection 
lists as well though they may be others but dull old input fields work fine.

Right I feel I've lost enough sanity on that for now but I might see if I can 
find anything of note later.

Thanks,

Gary


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Re: IE AJAX Focus Stuff (maybe a little off topic)

2006-11-13 Thread David Legg

Hi Gary,


Replying to my own messages. Sad ;).

  
I can't stand seeing a grown man cry ;-)  So I thought I'd chip in with 
some ideas.


Looking at the Microsoft documentation ( 
http://msdn.microsoft.com/workshop/author/dhtml/reference/methods/focus.asp 
) it would seem that an item's focus cannot be set until the document 
has fully loaded.  Further more it will only work if the tabindex 
attribute is set.  From my cursory look it would seem the general 
consensus is this is a documented bug.  This may explain why your fix 
only worked after you put a debug alert() box on screen.


- David.

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RE: IE AJAX Focus Stuff (maybe a little off topic)

2006-11-13 Thread Stewart, Gary

I wrote:
> I was thinking of maybe adding a function to set the focus of 
> the element after the update has been done but this might 
> present problems in itself. Just looking for any ideas or 
> suggestions but I shall take a look at the source (obviously 
> if I find a solution I will post the fix to save someone else 
> the headache). Looks like the 2.1.9 source I should be 
> looking at is ajax/cocoon.js though as my production system 
> is currently using 2.1.8 (I was having some problems with 
> DOJO) then  I think I should be looking at 
> org/apache/cocoon/ajax/resources/js/cocoon-ajax.js from the 
> ajax block.

Replying to my own messages. Sad ;).

Anyway I played around with the cocoon-ajax.js script and couldn't fix the 
problem. The main thing I was trying was to do was update 
cocoon.ajax.BrowserUpdater.prototype.processResponse = function(doc, request) 
so it got the active element at the beginning of the it's changes and attempted 
to set the focus back to the same element after the changes had been performed. 
Didn't seem to work though, unless you put a debug alert() message before every 
focus where it worked fine (grrr...).

Ah well I might remove the offending on-change handlers for now and try and fix 
it again later (maybe we'll have migrated to a real browser, I can live in 
hope).

If you do have any suggestions I'd love to hear then though.

Gary

PS: Should this be on the developers list?

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IE AJAX Focus Stuff (maybe a little off topic)

2006-11-10 Thread Stewart, Gary
There has been a bug that has been plaguing me for a while. Though given it 
only happens in IE (6.0) and not Firefox I'm not really sure it is the fault of 
the Cocoon AJAX library but I thought I'd see if any of you have suggestions on 
scripts that I could play with to maybe fix it.

If you are tabbing through a form with AJAX enabled and the system performs an 
AJAX request which updates the DOM tree then IE seems to lose the current place 
of the tabs and sticks you back at the top of the page. It isn't so bad for me 
(as I'm just the developer) but infuriating for my users who fill in the forms 
all the time. I'd love to be able to say "try using a browser that actually 
works" but unfortunately I'm not in that position. 

You can see it in the samples/blocks/forms/do-multipage.flow example (in 
2.1.9). On the second page when are asked to "Please enter a number (will 
automatically set a correct value below if needed): " if you enter a number and 
hit Tab in IE then it will jump back to the top where you'll have to tab back 
through to the item again. This is, presumably, because it updates the tree and 
IE gets confused and loses it's position. 

I was thinking of maybe adding a function to set the focus of the element after 
the update has been done but this might present problems in itself. Just 
looking for any ideas or suggestions but I shall take a look at the source 
(obviously if I find a solution I will post the fix to save someone else the 
headache). Looks like the 2.1.9 source I should be looking at is ajax/cocoon.js 
though as my production system is currently using 2.1.8 (I was having some 
problems with DOJO) then  I think I should be looking at 
org/apache/cocoon/ajax/resources/js/cocoon-ajax.js from the ajax block.

Thanks for any help you might be able to provide for this issue,

Gary

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