Thank you Carlos.
Carlos Rovira <carlosrov...@apache.org> escreveu no dia segunda, 7/09/2020
à(s) 09:05:
> Hi Hugo,
>
> in Royale the renderer architecture is more decoupled.
> You should look for "IOwnerViewItemRenderer" (that most of the time will be
> the view bead of the component)
> then a view use to be a "BeadViewBase" that has "host" property to refer to
> the strand.
>
> Another importante piece are the renderer "initializers".
> In the case of DGColumnList:
>
> IItemRendererInitializer: ClassReference(
>
> "org.apache.royale.jewel.beads.itemRenderers.DataGridColumnListItemRendererInitializer"
> )
>
> where some global code can be run to initialize each renderer.
>
> take into account the following code that is how mappers create the
> renderer and run the initializer and set the data in "
> DataItemRendererFactoryBase":
>
> /**
> * create all item renderers
> *
> * @royaleignorecoercion org.apache.royale.core.IIndexedItemRenderer
> * @royaleignorecoercion
> org.apache.royale.core.IIndexedItemRendererInitializer
> */
> protected function
> createAllItemRenderers(dataGroup:IItemRendererOwnerView):
> void
> {
> var n:int = dataProviderLength;
> for (var i:int = 0; i < n; i++)
> {
> var ir:IIndexedItemRenderer = itemRendererFactory.createItemRenderer() as
> IIndexedItemRenderer;
>
> dataGroup.addItemRenderer(ir, false);
> var data:Object = getItemAt(i);
> (itemRendererInitializer as
> IIndexedItemRendererInitializer).initializeIndexedItemRenderer(ir,
> data, i);
> ir.data = data;
> }
> }
>
> So the renderer is:
>
> 1.- added to the parent (normally the view)
> 2.- the initializer is setup
> 3.- the data is set in the renderer.
>
>
>
>
>
> El lun., 7 sept. 2020 a las 2:31, Hugo Ferreira (<hferreira...@gmail.com>)
> escribió:
>
> > How to access the DataGridColumn instance from DataGridItemRenderer
> > instance ?
> > In Flex we have a column property diretly from the item renderer.
> > I already checked the parents that goes to DataGridColumnList and
> > then DataGridColumnListArea and finally DataGrid.
> >
>
>
> --
> Carlos Rovira
> http://about.me/carlosrovira
>
