Thanks Tim, I appreciate the help. I want to learn but yeah I want to learn the right way to do things. Again, I appreciate your time and patience with me..
Thanks! On Tue, Oct 7, 2008 at 10:43 AM, Tim Hoff <[EMAIL PROTECTED]> wrote: > Well, it's better practice to update the model with an event/command > anyway. No idea why the selectedItem isn't working through the event. > Another approach would be: > > MyModel.getInstance().SelectedBudgetVO = myDataGrid.selectedItem as > BudgetVO; > > -TH > > --- In [email protected], "Greg Morphis" <[EMAIL PROTECTED]> wrote: >> >> Also this returns null >> >> Alert.show(MyModel.getInstance().SelectedBudgetVO.amount.toString()); >> >> (trying it right after assigned the event.target.selectedItem to the >> SelectedBudgetVO) >> >> On Tue, Oct 7, 2008 at 10:30 AM, Greg Morphis [EMAIL PROTECTED] wrote: >> > I don't think something is firing.. >> > I had it working with the other code.. creating the empty VO and >> > assigning the values one by one and then passing the VO to the command >> > to populate the MyModel SelectedVO.. >> > When I chose a row a form I had started populating using this: >> > {MyModel.getInstance().SelectedBudgetVO.amount.toString()} >> > >> > but when I changed the changeHandler to just >> > MyModel.getInstance().SelectedBudgetVO = event.target.selectedItem as >> > BudgetVO; >> > >> > They stopped populating >> > >> > >> > On Tue, Oct 7, 2008 at 10:17 AM, Tim Hoff [EMAIL PROTECTED] wrote: >> >> "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 [email protected], "Greg Morphis" gmorphis@ 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 gmorphis@ 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 gmorphis@ 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 >> >>> >> jitendra_jain_2007@ wrote: >> >>> >>> Use event.target.selectedItems instead of >> >>> >>> event.target.selectedItem >> >>> >>> >> >>> >>> Thanks, >> >>> >>> >> >>> >>> with Regards, >> >>> >>> Jitendra Jain >> >>> >>> >> >>> >>> >> >>> >>> ----- Original Message ---- >> >>> >>> From: Greg Morphis gmorphis@ >> >>> >>> To: [email protected] >> >>> >>> 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. >> >>> >> >> >>> > >> >>> >> >> >> >> >> > >> > >
