RE: [flexcoders] Comboboxes in datagrid

Tue, 29 Mar 2005 11:46:24 -0800

Hey Tom,
 
You should check out http://www.markme.com/pent/archives/flex/solutions/cellrenderers.zip from Peter Ent's blog for a bunch of good cellrenderers (including a combobox) and the Flex explorer has 2 examples cellrenderers you can use as templates.  Send me a note if you can't get these working and I'll see what I can do to help.  Good luck.
 
Mike


-----Original Message-----
From: Tom Fitzpatrick <[EMAIL PROTECTED]>
Sent: Mar 29, 2005 2:03 PM
To: [email protected]
Subject: RE: [flexcoders] Comboboxes in datagrid

Dirk -

Many thanks for your suggestions - but I'm still struggling to make this work.

I guess I need a more complete, simple example of multiple comboboxes in
multiple datagrid rows so I can build off of that.

Can you - or anyone else - provide or point to such an example?

- Tom

At 10:34 AM 3/29/2005, you wrote:
>Hi,
>
>I usually subclass the DataGridColumn class to customize the assigned cell
>renderer. This way you can easily pass extra information (in your case the
>dataprovider for the combo boxes) directly to the column. The cellrenderer
>then "asks" its row for the dataprovider to use:
>
><mx:DataGrid ... >
>   <mx:columns>
>     <my:ExtendedDataGridColumn cellRenderer="ComboRenderer"
> dataProvider="{arr1}"/>
>     <my:ExtendedDataGridColumn cellRenderer="ComboRenderer"
> dataProvider="{arr2}"/>
>     <my:ExtendedDataGridColumn cellRenderer="ComboRenderer"
> dataProvider="{arr3}"/>
>   </mx:columns>
></mx:DataGrid>
>
>ExtendedDataGridColumn just extends the
>mx.controls.gridclasses.DataGridColumn class and adds a public variable
>dataProvider.
>
>Inside the cellRenderer class ComboRenderer (which you could implement as
>a direct subclass  of mx.controls.ComboBox) you can then access the
>correct dataProvider by doing this
>
>function init():Void {
>   super.init();
>   dataProvider = listOwner.getColumnAt(getCellIndex().columnIndex);
>}
>
>Dirk.
>
>
> > -----Original Message-----
> > From: Tom Fitzpatrick [mailto:[EMAIL PROTECTED]
> > Sent: Tuesday, March 29, 2005 5:23 PM
> > To: [email protected]
> > Subject: [flexcoders] Comboboxes in datagrid
> >
> >
> >
> > I'm trying to create a datagrid that holds three-column rows with a
> > comboBox in each cell.
> >
> > I assume I have to use a cellrenderer to accomplish this - is
> > this correct?
> > I've been experimenting with cellrenderer examples on the
> > rich internet
> > apps site (Webster/McLeod) and one posted by Dirk Eismann. Both these
> > assume only one comboBox per row, and I haven't found a way
> > to add three
> > per row, each with a different dataProvider. So close, yet so
> > far. Any tips
> > (or code to share)?
> >
> > - Tom
> >
> >
> >
> >
> >
> >
> >
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> >
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Michael Griffin
781-395-1254 (H)
[EMAIL PROTECTED]

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