Re: [flexcoders] [To Michael Schmalle] Rendered from dataProvider ?

Mon, 19 Jun 2006 07:38:35 -0700

JL,

> Is that bad ?

No way man!, I was thinking along the same lines. Test the length and when it finishes, it's finished, just didn't have enough time nor brain power to try it :)

I will definitaly ask about this and some other things related to initialization at the summit.

On a 'professional' level you shouldn't have to hack a major Complete alogrithm like this. So there might actually be a correct way to do it.

Peace, Mike


On 6/19/06, Michael Schmalle <[EMAIL PROTECTED]> wrote:
I see, I also see yahoo is messing up again, I think yo might have got my last message.

I am adding this to my list of questions ;-)

I don't know the answer right now. I had tested this also.


Peace, Mike

On 6/19/06, Jean-Luc ESSER <[EMAIL PROTECTED] > wrote:

Mike, here is what i do :
 
   public function myTest():void
   {
    bookFormatMedium.addEventListener(FlexEvent.UPDATE_COMPLETE, myTest2);
    bookFormatMedium.dataProvider = myDataProvider;
   }
   public function myTest2(event:FlexEvent):void
   {
    bookFormatMedium.removeEventListener(FlexEvent.UPDATE_COMPLETE, myTest2, false);
    trace('myTestComplete '+event.currentTarget);
   }
 
And i invoke myTest on creationComplete of my TileList (or List) :
 
 <mx:TileList id="bookFormatMedium" backgroundAlpha="0" textAlign="left" horizontalScrollPolicy="off"
  width="100%" height="100%" styleName="bookFormatMedium"
  itemRenderer="com.lmg.view.global.book.BookFormatMediumItemRenderer"
  itemClick="changeFlowStates(panelState, BookVO(bookFormatMedium.selectedItem))"
  creationComplete="myTest()"/>
 
My event is dispatched too soon (items are not fully drawn yet).
Also, invoking myTest() on creationComplete is wrong because next time my dataProvider changes, i won't be able to call myTest().
 
This is new for me, sorry if i misunderstood what you said !
 
Best,
JL
 
 
 
----- Original Message -----
Sent: Monday, June 19, 2006 3:39 PM
Subject: Re: [flexcoders] [To Michael Schmalle] Rendered from dataProvider ?

JL,

Have you test the event's currentTarget property for the actuall list?

When the LayoutManager rolls through it's updateCompleteQueue, it goes backwards, children to parent.

I would think you could check for the base components instance.

If you find out that you cannot, I don't understand what is going on by looking at the LayoutManager. It seems pretty simple.

Peace, Mike

PS show me some code so I can try what you are doing! :)



On 6/19/06, Jean-Luc ESSER <[EMAIL PROTECTED]> wrote:

Well i tried that, and it looks like it is fired several times during the population of the List.
So i have no way of knowing when it is fired for the last time, that is when the last item has been rendered !
 
Or maybe i did not put the listener at the correct place.
I'll keep trying.
 
Best,
JL
 
 
----- Original Message -----
Sent: Monday, June 19, 2006 3:25 PM
Subject: Re: [flexcoders] [To Michael Schmalle] Rendered from dataProvider ?

Oh yeah,

Add the listener right before you change the dataProvider, remove it when the actual handler fires for the UPDATE_COMPLETE event.

Peace, Mike

On 6/19/06, Michael Schmalle <[EMAIL PROTECTED]> wrote:
Hi,

Well, I am to to up to speed on the deep workings of the ListBase and List *yet* but, changing the dataProvider is connected to updateDisplayLit().

That being said, I would say try;

mx.events.FlexEvent.UPDATE_COMPLETE

"Dispatched when an object has had its commitProperties, measure, and updateDisplayList called (if needed).. "

Now looking at the UIComponent, I am pretty sure that is it. BTW, thanks for this question becasue that is a very important event!

Ok, double on that, LayoutManger says FlexEvent.UPDATE_COMPLETE ;-)


Peace, Mike

On 6/19/06, Jean-Luc ESSER <[EMAIL PROTECTED] > wrote:

Hi Mike,
 
Yes i mean an event that signifies everything has been drawn.
I mean if i have an image to show in the itemRenderers, i want to know when the data has been received, image has been loaded, itemRenderer has been renderered, and the List has finished sizing and showing all items.
 
Best,
JL
 
 
----- Original Message -----
Sent: Monday, June 19, 2006 1:04 PM
Subject: Re: [flexcoders] [To Michael Schmalle] Rendered from dataProvider ?

Hi,

Yeah I remeber that post tit was in relation to setting the height based on rows.

I remember Manish said the rowHeight property and I said calculateHeight().

You rquestion is alittle nebulus, do you mean an event that signifies everything has been drawn?

Or measurements?

Peace, Mike

On 6/19/06, Jean-Luc ESSER <[EMAIL PROTECTED] > wrote:

Michael, i saw one of your posts where you said :
" Once you have established that the list has been rendered from the dataProvider "
 
I assume you mean when the List has finished working with its dataProvider (including finished drawing its itemRenderers with their data).
If so, how would you do that ?
 
Best,
Jean-Luc.




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