"I have no idea why it wont work with an ArrayCollection"
Because your ArrayCollection is a collection of VO's, not a collection
of ArrayCollections; although there may be ArrayCollections as
properties of the VO. Can you not just do this?
MyModel.getInstance().SelectedBudgetVO = event.target.selectedItem as
BudgetVO;
-TH
--- In flexcoders@yahoogroups.com, "Greg Morphis" <[EMAIL PROTECTED]> wrote:
>
> I changed it to using a VO and it works..
>
> MyModel.getInstance().SelectedBudgetVO = (event as
BudgetEvent).budget;
>
> //Alert.show(MyModel.getInstance().Budget.amount.toString());
>
> I have no idea why it wont work with an ArrayCollection, but it works
> as a VO.. not sure if this is best practice or not
>
> On Tue, Oct 7, 2008 at 9:41 AM, Greg Morphis [EMAIL PROTECTED] wrote:
> > This is F'ed up...
> >
> > I changed my code to this...
> >
> > public function handleChangeEvent(event:Event):void
> > {
> > var myVO:BudgetVO = new BudgetVO();
> > myVO.actiondate = event.target.selectedItem.actiondate;
> > myVO.amount = event.target.selectedItem.amount;
> > myVO.id = event.target.selectedItem.id;
> > ...
> >
> > var evt:BudgetEvent = new BudgetEvent(myVO,
MyControl.EVENT_GET_BUDGET_DETAILS);
> > CairngormEventDispatcher.getInstance().dispatchEvent(evt);
> >
> > }
> >
> > public class GetBudgetDetailsCommand implements ICommand, IResponder
> > {
> >
> > private var currentSelectedVO:BudgetVO = null;
> >
> > public function execute(event:CairngormEvent):void {
> >
> > MyModel.getInstance().SelectedBudgetAC = (event as
BudgetEvent).budget
> > as ArrayCollection;
> >
> > /* If I Alert the (event as BudgetEvent).budget.amount.toString() I
> > get the amount
> >
> > But if I Alert
MyModel.getInstance().SelectedBudgetAC.getItemAt(0).amount.toString()
> > I get a null error.. matter of fact if I Alert
> > MyModel.getInstance().SelectedBudgetAC.toString()
> > I get a null error.. so where the hell is my data going? MyModel.as
is
> > being imported into the command.
> >
> > import com.model.MyModel
> >
> > Again, inside MyModel.as I have the global vars..
> >
> > public var SelectedBudgetAC:ArrayCollection;
> >
> > to check to make sure the MyModel was loading properly I added
another
> > var to it..
> >
> > public var fooVar:Number = 0;
> >
> > And if I alert that value in the execute() function, it Alerts "0"
as
> > it should..
> > I'm lost
> > */
> > Alert.show(MyModel.getInstance().fooVar.toString());
> >
> > }
> > ....
> >
> >
> >
> > On Tue, Oct 7, 2008 at 8:28 AM, Greg Morphis [EMAIL PROTECTED] wrote:
> >> Still null....
> >>
> >> The DataGrid looks like
> >> <mx:DataGrid id="dg" width="100%"
> >> height="100%" dataProvider="{MyModel.getInstance().BudgetAC}"
> >> click="clickHandler(event);"
> >> change="handleChangeEvent(event as DataGridEvent);">
> >>
> >>
> >> Data loads fine in the grid.. cool.. The change event fires and
> >>
> >> public function handleChangeEvent(event:Event):void
> >> {
> >> MyModel.getInstance().SelectedBudgetAC = event.target.selectedItem
> >> as ArrayCollection;
> >> Alert.show(event.target.selectedItem.amount.toString());
> >>
Alert.show(MyModel.getInstance().SelectedBudgetAC.getItemAt(0).toString(\
));
> >>
> >> var evt:CairngormEvent = new
> >> CairngormEvent(MyControl.EVENT_GET_BUDGET_DETAILS);
> >> CairngormEventDispatcher.getInstance().dispatchEvent(evt);
> >>
> >> }
> >>
> >> I just don't get it.. the first Alert works and I see the amount of
> >> the selectedItem, but the second gives a null error..
> >> TypeError: Error #1009: Cannot access a property or method of a
null
> >> object reference.
> >> at com.view::budgetBook/handleChangeEvent()
> >> at com.view::budgetBook/__dg_change()
> >> at flash.events::EventDispatcher/dispatchEventFunction()
> >> at flash.events::EventDispatcher/dispatchEvent()
> >> at mx.controls.listClasses::ListBase/mouseUpHandler()
> >> at mx.controls::DataGrid/mouseUpHandler()
> >>
> >>
> >>
> >>
> >> On Tue, Oct 7, 2008 at 7:37 AM, jitendra jain
> >> [EMAIL PROTECTED] wrote:
> >>> Use event.target.selectedItems instead of
event.target.selectedItem
> >>>
> >>> Thanks,
> >>>
> >>> with Regards,
> >>> Jitendra Jain
> >>>
> >>>
> >>> ----- Original Message ----
> >>> From: Greg Morphis [EMAIL PROTECTED]
> >>> To: flexcoders@yahoogroups.com
> >>> Sent: Tuesday, 7 October, 2008 7:22:23 AM
> >>> Subject: Re: [flexcoders] handling data within a datagrid
> >>>
> >>> That was a typo instead of copying and pasting..
> >>> mySelectedRow is an ArrayCollection
> >>> I'm assignin the event.target. selectedItem which is a datagrid
row to it..
> >>> I want to knmow why it's not working the way it should...
> >>>
> >>> To learn I'm creating a budgetbook of sorts.. so here's what I
have
> >>> copied and pasted..
> >>>
> >>> public function handleChangeEvent( event:DataGridEv ent):void
> >>> {
> >>> MyModel.getInstance ().SelectedBudge tAC = event.target.
selectedItem as
> >>> ArrayCollection;
> >>> Alert.show(MyModel. getInstance( ).SelectedBudget AC.getItemAt(
0).payee) ;
> >>> var evt:CairngormEvent = new CairngormEvent( MyControl. EVENT_GET_
> >>> BUDGET_DETAILS) ;
> >>> CairngormEventDispa tcher.getInstanc e().dispatchEven t(evt);
> >>>
> >>> }
> >>>
> >>> public var Budget:BudgetVO;
> >>> public var BudgetAC:ArrayColle ction;
> >>> public var budgetID:Number;
> >>> public var SelectedBudgetAC: ArrayCollection;
> >>>
> >>> sorry about that..
> >>>
> >>> On Mon, Oct 6, 2008 at 9:02 PM, Tracy Spratt [EMAIL PROTECTED]
com> wrote:
> >>>> Then how are you expecting that setting "mySelectedRow" property
will do
> >>>> anything regarding the "SelectedBudgetAC" property?
> >>>>
> >>>> Tracy
> >>>>
> >>>>
> >>>>
> >>>> ____________ _________ _________ __
> >>>>
> >>>> From: [EMAIL PROTECTED] ups.com [mailto:[EMAIL PROTECTED]
ups.com] On
> >>>> Behalf Of Greg Morphis
> >>>> Sent: Monday, October 06, 2008 8:02 PM
> >>>> To: [EMAIL PROTECTED] ups.com
> >>>> Subject: Re: [flexcoders] handling data within a datagrid
> >>>>
> >>>>
> >>>>
> >>>> No, just global variables
> >>>>
> >>>> On Mon, Oct 6, 2008 at 7:13 PM, Tracy Spratt [EMAIL PROTECTED]
com>
> >>>> wrote:
> >>>>> Does MyModel handle the relationship between mySelectedRow and
> >>>>> SelectedBudgetAC? Using setters or getters?
> >>>>>
> >>>>> Tracy
> >>>>>
> >>>>>
> >>>>>
> >>>>> ____________ _________ _________ __
> >>>>>
> >>>>> From: [EMAIL PROTECTED] ups.com [mailto:[EMAIL PROTECTED]
ups.com] On
> >>>>> Behalf Of Greg Morphis
> >>>>> Sent: Monday, October 06, 2008 7:48 PM
> >>>>> To: [EMAIL PROTECTED] ups.com
> >>>>> Subject: [flexcoders] handling data within a datagrid
> >>>>>
> >>>>>
> >>>>>
> >>>>> I've got my datagrid populating but I need to see that data in
aother
> >>>>> location within my app.
> >>>>> In my MyModel.as
> >>>>> I have a "global" variable
> >>>>> public var mySelectedRow: ArrayCollection;
> >>>>>
> >>>>> I've tried setting this variable in the dataGrid change event...
> >>>>> public function handleChangeEvent( event:Event) :void
> >>>>> {
> >>>>> MyModel.getInstance ().mySelectedRow = event.target.
selectedItem as
> >>>>> ArrayCollection;
> >>>>> Alert.show(MyModel. getInstance( ).SelectedBudget AC.getItemAt(
> >>>>> 0).amount) ;
> >>>>> var evt:CairngormEvent = new
> >>>>> CairngormEvent( MyControl. EVENT_GET_ DATA_DETAILS) ;
> >>>>> CairngormEventDispa tcher.getInstanc e().dispatchEven t(evt);
> >>>>>
> >>>>> }
> >>>>>
> >>>>> The Alert returns a null error.. but it looks like it should be
working?
> >>>>> What I'm trying to do is I have a VO I need to populate.. I was
going
> >>>>> to do that within a command (is that best practice? -- to
seperate
> >>>>> display from logic)
> >>>>> So anywho I'm trying to populate that arraycollection and then
in the
> >>>>> command do all the fun stuff...
> >>>>> var myVO:FootVO = MyModel.getInstance ().FooVO;
> >>>>> myVO.amount = MyModel.getInstance ().SelectedBudge
tAC.getItemAt(
> >>>>> 0).amount;
> >>>>>
> >>>>> but I'm getting a null error.. is this the proper way to load a
VO
> >>>>> from a selected DataGrid row?
> >>>>>
> >>>>> Thanks
> >>>>>
> >>>>>
> >>>>
> >>>>
> >>>
> >>> ________________________________
> >>> Add more friends to your messenger and enjoy! Invite them now.
> >>
> >
>
