Have you tried to use labelFunction ?
private function labelFanctionCountry(item:Object):String
{
return item.port.country;
}
....
<mx:DataGridColumn headerText="Port Country"
labelFunction="labelFanctionCountry"/>
Irina
--- In [email protected], "laidezmon" <[EMAIL PROTECTED]> wrote:
>
> OK here is what i am trying to do.
>
> I have a grid component, and I wanted to display on the grid, a list
> of ship objects. Think of this like a cruise liner.
>
> I am retrieving these objects from a java/hybernate/spring adapter
> using remote object, and it works ok. I get back an arrayCollection,
> then I build a new array, populatate it with Actionscript ship
> objects, which has an embedded port object.
>
> Ship has attributes like Name, id, comments etc. And it has an
> embedded homeport object also.
>
> The port, has name, country and comments too.
>
> I can get the object to come back, and its being built correctly. I
> have ship objects and each one has its own port object, I see in the
> debugger the objects and thier embedded objects and the embedded
> object values. So I know the constructor is working fine. Here is
the
> problem.
>
> I set the dataprovider attribute to match the array of completed
> ships, and I can get the grid, to display all the ship data, but not
> the port data.
>
> So Here is my code:
>
> <mx:DataGrid id="ShipListDataGrid" width="978" height="190"
> dataProvider="{initDG}" creationComplete="loadAllShips()"
> selectedIndex="0" >
> <mx:columns>
> <mx:DataGridColumn headerText="Name" dataField="name"/>
> <mx:DataGridColumn headerText="Class" dataField="clazz"/>
> <mx:DataGridColumn headerText="Comments" dataField="comments"/>
> <mx:DataGridColumn headerText="Port Country"
dataField="port.country" />
> </mx:columns>
> </mx:DataGrid>
>
> Now the colums name, clazz, comments all work perfectly, as they are
> attributes of ship. However, port.country does not work, it just
shows
> a blank column, even though that is the correct notation to get to
> that data field, for the attribute of that ships port home country.
> Its just a string, so for the port called miami, the country
is "USA".
> This does not display.
>
> However if I remove port.country, and only put in port, then it
shows
> that whats in that column displays as Object : Port.
>
> So it seems that the grid knows theres an object in there. But not
> what to do with it?
>
> I have created a masterViewList and a masterDetails component, and
the
> viewList is the grid, and the details is the details section of the
> ship. So there it shows a form, and the form shows all the details
of
> the ship selected in the list above. Heres the interesting thing.
> using a label field, I can change the selected list item on the
grid,
> and show the ship.port.country in a label on the bottom, so it can
> transverse the ship object, but just not seemingly in the grid.
>
> What can I do? Why does it work with a label field, and not in the
> grid? Why will the grid not show an embedded string attribute for an
> embedded object, but a label or text box will? What am I doing
wrong?
>
>
> At the prompting of someone from the Flex Developer forums on adobes
> site, I implemented this also.
>
> On the column I put this as the datafield: (instead of the above
> port.country, or port)
>
> <mx:DataGridColumn headerText="Port Country"
> dataField="{calcPortCountry}" />
>
>
> And created this function:
>
> private function calcPortCountry(item:Object,
col:DataGridColumn):String
> {
> return item.port.country;
> }
>
> But this also gets me the same result. Nothing inside the grid
column.
> All the tutorials seem to be for passing simple objects which only
> contain simple attributes, strings ints, and stuff like that.
Nothing
> with embedded objects. This is a ship object, which has an embedded
> port object inside it. I have tried debugging this new function,
and I
> cannot even get into the function above to see whats being passed.
>
--
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