Thanks, I will give it a shut
--- In [email protected], "Tracy Spratt" <[EMAIL PROTECTED]> wrote:
>
> You are probably making a mistake, but, from the docs:
>
>
>
> indexToItemRenderer
>
> ()
>
> method
>
>
>
> public function indexToItemRenderer(index:int
> <http://127.0.0.1:58469/help/topic/com.adobe.flexbuilder.help/langref/in
> t.html> ):IListItemRenderer
> <http://127.0.0.1:58469/help/topic/com.adobe.flexbuilder.help/langref/mx
> /controls/listClasses/IListItemRenderer.html>
>
> Get an item renderer for the index of an item in the data provider, if
> one exists. Since item renderers only exist for items within the set of
> viewable rows items, you cannot use this method for items that are not
> visible.
>
> Parameters
>
>
>
> index:int
> <http://127.0.0.1:58469/help/topic/com.adobe.flexbuilder.help/langref/in
> t.html> - The offset into the data provider for an item
>
> Returns
>
>
>
> IListItemRenderer
> <http://127.0.0.1:58469/help/topic/com.adobe.flexbuilder.help/langref/mx
> /controls/listClasses/IListItemRenderer.html> - The item renderer that
> is displaying the item, or null if the item is not currently displayed
>
>
>
> Tracy
>
>
>
> ________________________________
>
> From: [email protected] [mailto:[EMAIL PROTECTED] On
> Behalf Of Marcin Glowacki
> Sent: Monday, April 28, 2008 11:31 AM
> To: [email protected]
> Subject: [flexcoders] Re: How to get the reference to an item renderer
> given item index in dataProvide
>
>
>
> OK, thanks for your input.
>
> However, I would appreciate any hints on how I could write a method in
> MyDataGrid that will return reference to itemRenderer or itemEditor or
> null at any given point in time.
>
> If a given row is not displayed on the screen this method should
> return null, otherwise itemRenderer or itemEditor.
>
> protected function getItemRendererByPosition(dateProviderIndex:int,
> columnIndex:int):IDataRenderer
> {
> // go through all item renderers and return the one I need
> // where are the renderers stored? any protected member?
> // how can you tell current position of an item renderer?
> }
>
> --- In [email protected] <mailto:flexcoders%40yahoogroups.com>
> , "Tracy Spratt" <tspratt@> wrote:
> >
> > You cannot do that.
> >
> >
> >
> > Item renderers are recycled. Only the visible rows are
> > instantiated(plus a few buffers) So if row 5 is not visible, it does
> > not exist, and you cannot reference it.
> >
> >
> >
> > In almost all cases, work should be done on the underlying
> dataProvider.
> >
> >
> >
> > Search archives or google for: itemRenderer recycle
> >
> >
> >
> > Tracy
> >
> >
> >
> > ________________________________
> >
> > From: [email protected] <mailto:flexcoders%40yahoogroups.com>
> [mailto:[email protected] <mailto:flexcoders%40yahoogroups.com>
> ] On
> > Behalf Of Marcin Glowacki
> > Sent: Sunday, April 27, 2008 3:21 PM
> > To: [email protected] <mailto:flexcoders%40yahoogroups.com>
> > Subject: [flexcoders] How to get the reference to an item renderer
> given
> > item index in dataProvider?
> >
> >
> >
> > In Flex 3 DataGrid, how to get the reference to item renderer given
> > item index in dataProvider and column number?
> > I am extending DataGrid, and I need to access it in MyDataGrid.
> >
> > Lets say I want itemRenderer for item in dataProvider at index 5 and
> > column 2.
> >
> > And
> >
> > how to get the array of all itemRenderers and/or itemEditor for a
> > given index of an item in dataProvider?
> >
>
