Thanks a lot again :-)
In fact I managed to have my solution working as well:
Defined a custom DataGridColumn:
class com.r0main.ComboBoxDataGridColumn extends
mx.controls.gridclasses.DataGridColumn {
[ChangeEvent("dataProviderChanged")]
private var _dataProvider:Array;
public function get dataProvider():Array {
return _dataProvider;
}
public function set dataProvider(newDp:Array) {
_dataProvider = newDp;
dispatchEvent( { type: "dataProviderChanged" } );
}
}
Then in my ComboBoxCellRenderer:
columnOwner =
ComboBoxDataGridColumn(DataGrid(listOwner).columns[getCellIndex().columnIndex]);
// get values immediately
dataProvider = olumnOwner.dataProvider;
// if any later change to DataProvider
columnOwner.addEventListener("dataProviderChanged", this);
This does perfectly what I needed, I can now set many dataProviders to
many ComboBox cell-renderers [in fact my ComboBox cell-renderer is
more complex, because 90% of time it displays a simple Label, but on
click it popups a ComboBox]
r0main
--- In [email protected], "Alistair McLeod" <[EMAIL PROTECTED]> wrote:
> Hi r0main,
>
> I've just realised that you don't need to set the columnName to
0,1,2 etc on
> the individual columns. Instead of getDataLabel(), use
> getCellIndex().columnIndex - it'll do the same thing.
>
> Cheers,
>
> Ali
>
>
> --
> Alistair McLeod
> Development Director
> iteration::two
>
> [EMAIL PROTECTED]
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> -----Original Message-----
> From: [email protected] [mailto:[EMAIL PROTECTED] On
> Behalf Of r0main
> Sent: 10 August 2005 12:26
> To: [email protected]
> Subject: [flexcoders] Re: Multiples ComboBox Cell Renderers ?
>
> Thanks Ali,
> that's a good idea, simple... I'll still investigate my second
option for
> few minutes then I'll use your solution :-).
>
> Ciao, r0main
>
> --- In [email protected], "Alistair McLeod" <[EMAIL PROTECTED]>
wrote:
> > Hi r0main,
> >
> >
> >
> > There's a 3rd way, and it's what I've done in the past...
> >
> >
> >
> > What you do is have a single data provider, but each element in the
> > data provider is itself an array of whatever you want. Lets keep
it as
> > simple strings for now, but you can use objects.
> >
> >
> >
> > So, your data provider could be something like the following array:
> >
> >
> >
> > [ [ "Row0Column0", "Row0Column1", "Row0Column2" ]
> >
> > [ "Row1Column0", "Row1Column1", "Row1Column2" ]
> >
> > [ "Row2Column0", "Row2Column1", "Row2Column2" ] ]
> >
> >
> >
> >
> >
> > Then, on each datagrid column, you set the columnName to a column
> index, ie.
> > 0, 1, and 2. This is what is returned by getDataLabel() in your
> custom cell
> > renderer, as you'll see below.
> >
> >
> >
> > In your custom cell renderer setValue, do something like this:
> >
> >
> >
> > public function setValue( str : String, item : Object, selection :
> String )
> > {
> >
> > ...
> >
> > var text : String = String( item[ getDataLabel() ] );
> >
> > ...
> >
> > }
> >
> >
> >
> > text will thereafter hold Row0Column0 etc.
> >
> >
> >
> > This is typed from memory, so may not be exact, but it should get
> you there.
> >
> >
> >
> > Cheers,
> >
> >
> >
> > Ali
> >
> >
> >
> > --
> >
> > Alistair McLeod
> >
> > Development Director
> >
> > iteration::two
> >
> >
> >
> > [EMAIL PROTECTED]
> >
> > Office: +44 (0)131 338 6108
> >
> >
> >
> > This e-mail and any associated attachments transmitted with it may
> contain
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> >
> > -----Original Message-----
> > From: [email protected] [mailto:[EMAIL PROTECTED]
> > On Behalf Of r0main
> > Sent: 10 August 2005 09:05
> > To: [email protected]
> > Subject: [flexcoders] Multiples ComboBox Cell Renderers ?
> >
> >
> >
> > Hi flexcoders,
> >
> > in a single DataGrid I need to use in 3 columns 3 "instances" of
> >
> > ComboBox-based CellRenderers, that is 100% same functionnalities,
> >
> > except from the ComboBox's data provider [different lists]. Yet I was
> >
> > using a static dataProvider in my cellRenderer class, but I can't with
> >
> > 3 ComboBox having different content being in the same screen.
> >
> >
> >
> > Option 1: I do 3 different ComboBoxCellRenderer classes
> >
> > [ComboBoxCellRenderer1, ComboBoxCellRenderer2, ComboBoxCellRenderer3],
> >
> > which is what I try to avoid
> >
> >
> >
> > Option 2: I find a suitable way to define at DataGridColumn-level the
> >
> > dataProvider to us for ComboBoxcellRenderers of this column, so each
> >
> > column can have its own dataProvider to fill ComboBoxes. And a
> >
> > suitable way to get those dataProvider from inside the CellRenderer...
> >
> >
> >
> > Anyone having some Option 2 code sample ? Thanks a lot !!!
> >
> >
> >
> > r0main
> >
> >
> >
> >
> >
> >
> >
> >
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