Thanks, Tim and Tracy. I've started to explore/experiment more based
on your feedback. I'll play with it more tonight and let you know
what I come up with. Thanks, again!
Bruce
--- In flexcoders@yahoogroups.com, "Tim Hoff" <[EMAIL PROTECTED]> wrote:
>
>
> Hi Bruce,
>
> I've been trying to figure this one out. As Tracy suggests, you
could
> put something like this in the itemRenderer component? I'm not
sure,
> however, how to associate the itemEditorInstance with the
itemRenderer
> instance. This might get you a little closer.
>
> -TH
>
> <mx:Script>
> <![CDATA[
>
> import mx.core.Application;
> import mx.events.DataGridEvent;
>
> public function init():void // creationComplete of the
itemRenderer
> {
>
> Application.application.myGrid.addEventListener
(DataGridEvent.ITEM_EDIT_\
> BEGIN, showResetState);
>
> Application.application.myGrid.addEventListener
(DataGridEvent.ITEM_EDIT_\
> END, showDefaultState);
> }
>
> public function showResetState(event:DataGridEvent):void
> {
> // not sure exactly how, but you probably have to
check here
> to see if the itemEditorInstance relates to this
> // itemRenderer instance. Something like if
(this =
> event.itemRenderer) {} ???
> currentState = 'showReset';
> }
>
> public function showDefaultState(event:DataGridEvent):void
> {
> currentState = '';
> }
>
> ]]>
> </mx:Script>
>
> --- In flexcoders@yahoogroups.com, "Tracy Spratt" <tspratt@> wrote:
> >
> > I think you need to do this via the underlying dataProvider,
instead
> of
> > trying to directly manipulate rendered controls.
> >
> >
> >
> > On the edit event of the text control, set a property in the
> > corresponding dataProvider item. Have the item renderer respond
to
> that
> > value change by changing its state.
> >
> >
> >
> > Tracy
> >
> >
> >
> > ________________________________
> >
> > From: flexcoders@yahoogroups.com
[mailto:[EMAIL PROTECTED]
> On
> > Behalf Of flex8it
> > Sent: Monday, June 19, 2006 1:24 PM
> > To: flexcoders@yahoogroups.com
> > Subject: [flexcoders] Re: Getting a DataGrid item renderer
instance
> >
> >
> >
> > More specifically, here's what I'm trying to change the
viewState in
> > my itemRenderer when the DataGrid's textfield is edited. But in
> > order to do that, I need to somehow get an instance reference to
my
> > renderer component. And nothing I've done seems to work...
> >
> > <?xml version="1.0"?>
> > <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml
> > <http://www.adobe.com/2006/mxml> "
> > xmlns:comp="components.*"
> > verticalAlign="top" horizontalAlign="center"
> > layout="absolute">
> >
> > <mx:Script>
> > <![CDATA[
> > import components.imgReset;
> > import mx.collections.ArrayCollection;
> > import mx.events.DataGridEvent;
> > import mx.controls.Alert;
> >
> > [Bindable]
> > public var choices:ArrayCollection = choices = new
> > ArrayCollection([
> > {resetImage: "images/reset.png", fieldName: "Smalltown"},
> > {resetImage: "images/reset.png", fieldName: "Bigtown"},
> > ]);
> >
> > private function changeRendererState(event:DataGridEvent) : void
> > {
> > // I can get the rowIndex and columnIndex for the renderer,
> > // but I don't exactly how to use them to get to the
> > renderer object...
> > Alert.show(event.rowIndex + ", " + (event.columnIndex - 1));
> >
> > // I just want to get the renderer instance...
> > // First, there's a problem with my typecasting ??
> > // Second, there's no such thing as a row property on
> > // the DataGrid, but I really want there to be...
> > var RendererInstance:imgReset = imgReset(this.myGrid.columns
> > [event.columnIndex-1].row[event.rowIndex].itemRenderer);
> >
> > // Now I want to manipulate renderer instance
> > properties/states...
> > RendererInstance.currentState = 'showReset';
> > }
> > ]]>
> > </mx:Script>
> > <mx:DataGrid id="myGrid"
> > editable="true"
> > dataProvider="{choices}"
> > itemEditEnd="changeRendererState(event)" >
> > <mx:columns>
> > <mx:DataGridColumn dataField="resetImage"
> > headerRenderer="components.HeaderReset"
> > itemRenderer="components.imgReset"/>
> > <mx:DataGridColumn dataField="fieldName"
> > editable="true" width="230"
> > headerText="Field Name" />
> > </mx:columns>
> > </mx:DataGrid>
> > </mx:Application>
> >
> > I'd sure appreciate some help on this conundrum.
> >
> > Many Thanks,
> > Bruce
> >
> > --- In flexcoders@yahoogroups.com
> <mailto:flexcoders%40yahoogroups.com>
> > , "flex8it" bdenham@ wrote:
> > >
> > > I have simple datagrid with 2 columns and 2 rows like this:
> > >
> > > column 0 column 1
> > > -------- ---------
> > > image textfield
> > > image textfield
> > >
> > > Column 0 contains my ImageRenderer component.
> > > Column 1 contains the DataGrid's default item renderer and
editor:
> > > text, textfield.
> > >
> > > First Problem:
> > > How do I identify/get a reference to a particular instance of
my
> > > ImageRenderer from, say, column[0], row[1]?
> > >
> > > Second (related) Problem:
> > > How do I get the ImageRender instance that corresponds to the
row
> > of
> > > the textfield that fires an event when edited?
> > >
> > > I've been wrestling with this problem for days now, and I just
> > can't
> > > seem to get a grasp on the communication/eventing
infrastructure
> > > that's probably necessary to pull this off. Please help.
> > >
> > > Thanks,
> > > Bruce
> > >
> >
>
------------------------ Yahoo! Groups Sponsor --------------------~-->
Great things are happening at Yahoo! Groups. See the new email design.
http://us.click.yahoo.com/TISQkA/hOaOAA/yQLSAA/nhFolB/TM
--------------------------------------------------------------------~->
--
Flexcoders Mailing List
FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt
Search Archives: http://www.mail-archive.com/flexcoders%40yahoogroups.com
Yahoo! Groups Links
<*> To visit your group on the web, go to:
http://groups.yahoo.com/group/flexcoders/
<*> To unsubscribe from this group, send an email to:
[EMAIL PROTECTED]
<*> Your use of Yahoo! Groups is subject to:
http://docs.yahoo.com/info/terms/
