Jason,
I know this doesn't actually answer your question, but I ran into the same
thing recently and found that I was looking at the problem backward. I was
trying to set enabled on a Panel based on whether one or more rows were
selected in a DataGrid. I tried the same things you did, adding AS code to
the Panel's enabled property. I had all kinds of trouble and nothing seemed
to work right, until I decided to do things "backwards."
Instead of adding code to the enabled property that "watched" or was bound
to other values or components, I added an itemClick="panelEnabler();" to the
DataGrid. The panelEnabler() function just looks like:
public function assignPanelEnabler():void {
if(dgAccts.selectedItems.length >= 1)
{ assign_panel.enabled=true; }
else
{assign_panel.enabled=false; }
}
Now, the DataGrid runs the function whenever items are clicked, and the
function changes the enabled property for the Panel. Works perfectly, and
you don't need to worry about using && inside the enabled property field,
you can put all your if...then logical operators in the function script.
Darren
>From: "Jason Hawryluk" <[EMAIL PROTECTED]>
>Reply-To: flexcoders@yahoogroups.com
>To: <flexcoders@yahoogroups.com>
>Subject: RE: [flexcoders] Using a logical AND in property.
>Date: Tue, 16 May 2006 15:46:27 +0200
>
>I've tried about 10-20 different ways just can't seem to make it work. I
>suppose that a function is the only way, but it's unfortunate. Being able
>to
>compare 1 or more bound values in order to get the result would be very
>handy in my particular case.
>
>Below is the error I get.
>
>Error: The entity name must immediately follow the '&' in the entity
>reference.
>
>
>
>On a good note I did get this to work
>
>{value1.selected==value2.selected}
>
>but that will only do in certain circumstances.
>
>
>Thanks for your help. I'm still trying to get Flex to do it, if anyone has
>any ideas...
>
>Jason
>
>
>-----Message d'origine-----
>De : flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] la
>part de Michael Schmalle
>Envoyé : mardi 16 mai 2006 15:24
>À : flexcoders@yahoogroups.com
>Objet : Re: [flexcoders] Using a logical AND in property.
>
>
>Hi,
>
>I don't even know if you can do it but, did you try using parenthesis ?
>
>Peace, Mike
>
>
>On 5/16/06, sourcecoderia <[EMAIL PROTECTED]> wrote:
>I'm wanting to be able to do something like the below, where the &&
>operator is used for a locale compare on the Boolean values, however I
>keep getting errors with the various methods I've tried.
>
><mx:CheckBox enabled="{value1.selected==true &&
>value2.selected==true }" label="myitem" id="chk_item" />
>
>Where values(1 and 2) are other checkbox controls.
>
>Any ideas on a good way to do the above. I'm trying to stay away from
>script as much as possible for this type of stuff in order to keep it
>as simple as possible for the UI designer.
>
>Thanks
>
>Jason
>
>
>
>
>
>
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