Re: WOConditionnal strange behavior
Re: WOConditionnal strange behavior
- Subject: Re: WOConditionnal strange behavior
- From: "Jerry W. Walker" <email@hidden>
- Date: Fri, 15 Sep 2006 18:07:47 -0400
Hi, Gilles,
I think Ken and David have pegged the source of your problem. For a
more succinct explanation, go to:
http://www.wodeveloper.com/omniLists/webobjects-dev/2005/April/
msg00023.html
To really understand what's going on, pay attention to the links in
that message, follow them, and read them.
Good luck.
Regards,
Jerry
On Sep 15, 2006, at 10:12 AM, Gilles MATHURIN wrote:
Sorry to disturb you, but my english is not that good, so i have
some difficulties to understand your workaround …
What I typically do is have the controls affect flags/objects that
are not used in conditionals.
i don't really understand what that means… may u (or anyone else
who understand) give me a little more explanation please, if u have
time.
Thanks you.
GM.
Le 15 sept. 06 à 09:56, Ken Anderson a écrit :
Yes.
What I typically do is have the controls affect flags/objects that
are not used in conditionals. Then, in appendToResponse, I set
the flags that control the conditionals from those temporary
variables. This way, when the form post comes back, the page
still has the original structure, but it gets 'fixed' before
appendToResponse generates the new page.
Ken
On Sep 15, 2006, at 9:50 AM, Gilles MATHURIN wrote:
Hello,
this two WOConditionnals aren't in a Form, but the following
WOFileUpload is. Plus, more generally, my page is composed of
several forms and/or part that show and hide depending on buttons
the user click, so, i think that yes the structure of the page is
affected.
illustration :
=====
Button 1 when clicked, show Form1 (which is in a WOCond) and hide
others (if others were showed)
Button 2 wen clicked show Form2 a (which is in a WOCond) and hide
others
Button 3 when clicked show Part 3 whith a Fom all in another
WOCond and hide others … etc …
=====
So i guess that this behavior is what u called "To affect the
structure of the page" …
Any workaround ?
Regards
GM.
Le 15 sept. 06 à 09:38, Ken Anderson a écrit :
In my experience, weird behavior like this usually stems from
the object graph of the page changing from when the page was
rendered to when a form post comes back. Is this inside a
form? Are you modifying any state that would affect the
structure of the page?
On Sep 15, 2006, at 8:34 AM, Gilles MATHURIN wrote:
Hello List,
i have a strange behavior with my WOConditionnal, it seems to
do not work as it should.
Explanation:
I have a WOCond within another WOCond. Each is bind to a
different boolean.
WOCond n°1 : works great, it appears when his boolean resolves
to true.
But WOCond n°2 doesn't. It is set like that :
======= Code =====
public WOComponent editPhotos()
{
// afficher le formulaire d'édition des photos et
masque les formulaires au dessus
boolPhoto = true;
boolBiog = false;
boolActu = false;
// recupérer le contexte d'édition de l'artiste
EOEditingContext ec = artiste.editingContext();
// récupère l'Array (tableau) de photos de l'artiste.
NSMutableArray photosArtist = artiste.artistephotos
().mutableClone();
// Display the option to Add a new photo, if there are
already ones (boolAjouterUnePhoto)
if (photosArtist.count() > 0) {
boolAjouterUnePhoto = true;
}
else { // If there aren't any existing photos, just create a
new one withour displaying the Add action possibility.
boolAjouterUnePhoto = false;
ArtistePhoto newPhoto = (ArtistePhoto)
EOUtilities.createAndInsertInstance(ec,"ArtistePhoto");
// Passe newPhoto à photoForm
setPhotoForm(newPhoto);
}
// afficher le formulaire d'édition des photos et masque les
formulaires au dessus
return null;
}
==== End of Code ====
Any idea of why it doesn't work ?
Thanks for your support.
GM _______________________________________________
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__ Jerry W. Walker,
WebObjects Developer/Instructor for High Performance Industrial
Strength Internet Enabled Systems
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