Not at all. Overriding the set data function is commonly used.
What feels dirty and hackish to me, is getting the data inside of
the itemRenderer instead of passing it in from the parent. .02 :)
-TH
--- In flexcoders@yahoogroups.com, "ben.clinkinbeard"
<[EMAIL PROTECTED]> wrote:
>
> OK, putting a small flag into the function that checks to see if
the
> data is actually new seems to be a decent way around the firing
when
> scrolling, but it feels kinda dirty and hackish.
>
> private var str_label:String;
>
> override public function set data
(value:Object):void
> {
> use namespace
DOCUMENT_METADATA_NAMESPACE;
> var q:QName = new QName
(DOCUMENT_METADATA_NAMESPACE, "PlanNumber");
>
> super.data = value;
>
> if(data[q] != str_label)
> {
> cb_planNumber.label =
str_label = data[q];
> cb_planNumber.selected =
false;
> }
> }
>
> Can someone, ideally from Adobe, confirm or deny my thought that
the
> event being dispatched on scroll is a bug?
>
> Thanks,
> Ben
>
>
> --- In flexcoders@yahoogroups.com, "Tim Hoff" <TimHoff@> wrote:
> >
> > Hi Ben,
> >
> > As Stacey suggests, put this function in your itemRenderer:
> >
> > override public function set data(value:Object):void {
> > super.data = value;
> > cb_planNumber.selected = false;
> > }
> >
> > Everytime the data changes in the itemRenderer, the function
will
> > execute.
> >
> > -TH
> >
> > --- In flexcoders@yahoogroups.com, "ben.clinkinbeard"
> > <ben.clinkinbeard@> wrote:
> > >
> > > I'm sorry Stacey, I don't follow. Can you please explain
further?
> > >
> > > Thanks,
> > > Ben
> > >
> > > --- In flexcoders@yahoogroups.com, "Stacey Mulcahy" <stacey@>
> > wrote:
> > > >
> > > > Can you not overwrite the data property it sets using the
> > override and
> > > > setting the data of the super to the value and doing what
you
> > want?
> > > >
> > > >
> > > >
> > > > Override public function set data (value:object):void{
> > super.data=value;
> > > > cb_planNumber.selected=value.someBoolean// do stuff }
> > > >
> > > > _____
> > > >
> > > > From: flexcoders@yahoogroups.com
> > [mailto:[EMAIL PROTECTED] On
> > > > Behalf Of ben.clinkinbeard
> > > > Sent: Tuesday, July 18, 2006 1:01 PM
> > > > To: flexcoders@yahoogroups.com
> > > > Subject: [flexcoders] Re: How do I reset itemRenderer inside
> > > DataGrid when
> > > > dataProvider is updated?
> > > >
> > > >
> > > >
> > > > Thanks for the reply, Tim. Unfortunately, the selected state
is
> > not
> > > > held in the data. The checkboxes should always begin
unchecked,
> > but
> > > > the user can (obviously) check them. The checkboxes
apparently
> > get
> > > > reused though, not all created every time, because
> > > > cb_planNumber.selected = false; does not work either.
> > > >
> > > > Thanks,
> > > > Ben
> > > >
> > > > --- In [EMAIL PROTECTED] <mailto:flexcoders%
40yahoogroups.com>
> > > ups.com,
> > > > "Tim Hoff" <TimHoff@> wrote:
> > > > >
> > > > >
> > > > > Hey Ben,
> > > > >
> > > > > In addition to setting the label, you have to set the
selected
> > > property.
> > > > >
> > > > > var q:QName = new QName
> > (DOCUMENT_METADATA_NAMESPACE, "PlanNumber");
> > > > > var r:QName = new QName(DOCUMENT_METADATA_NAMESPACE,
> > > > > "PlanNumberSelected");
> > > > > cb_planNumber.label = data[q];
> > > > > cb_planNumber.selected = data[r];
> > > > >
> > > > > Depending on your data structure, PlanNumberSelected is
the
> > value
> > > field
> > > > > from the data.
> > > > >
> > > > > -TH
> > > > >
> > > > > --- In [EMAIL PROTECTED] <mailto:flexcoders%
> > 40yahoogroups.com>
> > > ups.com,
> > > > "ben.clinkinbeard"
> > > > > <ben.clinkinbeard@> wrote:
> > > > > >
> > > > > > Hello, I have seen this dicussed on here a bit but
nothing
> > seems
> > > to be
> > > > > > working for me. I have a DataGrid whose dataProvider
> > property is
> > > bound
> > > > > > to an XMLList. One of the columns, however, uses an
> > itemRenderer to
> > > > > > display a checkbox with a label. The label comes from
the
> > data item,
> > > > > > so this is what my itemRenderer component currently
looks
> > like:
> > > > > >
> > > > > > <?xml version="1.0" encoding="utf-8"?>
> > > > > > <mx:HBox xmlns:mx="http://www.adobe.
> > > <http://www.adobe.com/2006/mxml>
> > > > com/2006/mxml"
> > > > > > horizontalAlign="center" creationComplete="getLabel()">
> > > > > > <mx:Script>
> > > > > > <![CDATA[
> > > > > > import
> > > > > >
> > > > >
> > > >
> > >
> >
com.fmr.tests.PSA_Cairngorm.business.namespaces.DOCUMENT_METADATA_NAM
> > ESP\
> > > > > ACE;
> > > > > >
> > > > > > private function getLabel():void
> > > > > > {
> > > > > > use namespace DOCUMENT_METADATA_NAMESPACE;
> > > > > > var q:QName = new QName
> > (DOCUMENT_METADATA_NAMESPACE, "PlanNumber");
> > > > > > cb_planNumber.label = data[q];
> > > > > > }
> > > > > > ]]>
> > > > > > </mx:Script>
> > > > > > <mx:CheckBox id="cb_planNumber" />
> > > > > > </mx:HBox>
> > > > > >
> > > > > > The problem is that when the XMLList that is the
> > dataProvider is
> > > > > > updated, the checkboxes' labels get updated correctly,
but
> > the
> > > > > > selected state of the checkboxes does not. So basically
I
> > need to
> > > > > > capture that event so that I can uncheck all of the
> > checkboxes. A
> > > > > > 'labelChanged' event or something similar would be great
but
> > doesn't
> > > > > > seem to exist. What am I missing here?
> > > > > >
> > > > > > Thanks in advance,
> > > > > > Ben
> > > > > >
> > > > >
> > > >
> > >
> >
>
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