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From Oleg Konovalov <oleg...@gmail.com>
Subject Re: Forced view init in ViewStack
Date Wed, 21 May 2014 21:20:42 GMT
Jason,

Your second suggestion worked like a charm...

As far as my question regarding changing menus in sync with viewstack
selected index, we are using 3rd party lib, so I figured it out.

Thanks a lot!
Oleg
On May 20, 2014 3:54 PM, "Jason Guild" <jason.guild@alaska.gov> wrote:

> Not sure, Oleg.
> Can you isolate it down to a small demo which shows the issue?
>
> On 5/20/2014 6:01 AM, Oleg Konovalov wrote:
>
>> Tried your immediate & default suggestion still gives me view2=NULL.
>> Will try to use view inside Declarations.
>>
>> Also how can I fix incorrect menu item selected after I set
>> vs.selected=index2?
>> On May 19, 2014 2:04 PM, "Jason Guild" <jason.guild@alaska.gov> wrote:
>>
>>  Hi Oleg:
>>>
>>> I don't recall ever encountering #2006.
>>>
>>> There is always an implicit "default" state AFAIK.
>>> You should be able to write itemCreationPolicy="immediate" with
>>> includeIn="default" no problem.
>>> I don't think any additional view states are necessary.
>>>
>>> Perhaps try declaring your various NavigationContent views in an
>>> <fx:Declarations> tag and then use actionscript to add them to the
>>> ViewStack in the creationComplete handler of the parent view which hosts
>>> the ViewStack?
>>>
>>> Also, NavigationContent was, I think, a hack to make Spark components
>>> work
>>> inside an mx:ViewStack. Maybe you are hitting some kind of edge case
>>> there.
>>>
>>> You could try using a Spark-based ViewStack like this one which does not
>>> need NavigationContent containers:
>>> http://custardbelly.com/downloads/viewstack/srcview/index.html
>>>
>>> HTH,
>>> Jason
>>>
>>> p.s. IMO, Apache Flex really needs an official spark-based ViewStack
>>> implementation.
>>>
>>> On 5/19/2014 9:46 AM, Oleg Konovalov wrote:
>>>
>>>  Jason, I tried that.
>>>>
>>>> It forced me to also add   includeIn  property (along with
>>>> itemCreationProperty) .
>>>> I had to create a few states (I didn't have any before) , including
>>>> State
>>>>    name="Immeriate"   and do:  includeIn="Immediate",
>>>> then I got error # 2006:  The supplied index is out of bounds  from
>>>> Spark
>>>> code...
>>>> How do I resolve that?
>>>>
>>>>
>>>>
>>>> On Mon, May 19, 2014 at 12:37 PM, Jason Guild <jason.guild@alaska.gov
>>>>
>>>>> wrote:
>>>>>
>>>>   Hi Oleg:
>>>>
>>>>> Try setting property:
>>>>> itemCreationPolicy="immediate"
>>>>>
>>>>> on the NavigationContent instances in your ViewStack that you need to
>>>>> be
>>>>> available sooner.
>>>>> Jason
>>>>>
>>>>>
>>>>> On 5/19/2014 8:29 AM, Oleg Konovalov wrote:
>>>>>
>>>>>   Hi,
>>>>>
>>>>>> I have a ViewStack with a bunch of NavigationContent's, each of them
>>>>>> having
>>>>>> a View, which contains at least one DataGrid or ADG.
>>>>>>
>>>>>> Trying to implement a transition from one view to another
>>>>>> programmatically,
>>>>>> so user selects a row in one DataGrid, and via right-mouse-click
gets
>>>>>> a
>>>>>> views selection,
>>>>>> which display related data (in another view).
>>>>>>
>>>>>> It works overall in most cases,
>>>>>> but often I get into situation when that other view is not yet
>>>>>> initialized,
>>>>>> it is still NULL, so user can't call any method related to that view,
>>>>>> like
>>>>>> get a data from related service to populate that DataGrid.
>>>>>>
>>>>>> Suppose I clicked on row in view1, and now trying to show related
data
>>>>>> in
>>>>>> view2.
>>>>>>
>>>>>> 1) Is there way to force creation/initialization of that view?
>>>>>> ( I assume, doing   view2 = new MyView(params) is too low level
>>>>>> can't do view2.initialize() either since view2=null. )
>>>>>>
>>>>>> 2) Also even though the second view is displayed (doing
>>>>>> vs.selectedIndex=2),
>>>>>> in the menu on top of that page it still shows previous view selected.
>>>>>> How do I select correct menu item after displaying item2?
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>

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