You can also create a bean specifically for the grid, perhaps with a static
method to create a list from your model classes, and add dummy getters for
your columns. This new bean can also extend your model class, and extend
the getters for your @NonVisual properties.
Ben
On 8/21/07, Ned Jackson Lovely <[EMAIL PROTECTED]> wrote:
>
> On Tue, Aug 21, 2007 at 10:21:32PM +0800, Allen Guo wrote:
> > Usually we display user list using grid component. It's like this
> > <table t:type="Grid" source="users" row="user" rowsPerPage="12"
> > pagerPosition="both">
> > </table>
> >
> > As shown above, the source property value is 'users' is just the user
> > list may fetch from database.
> > The result will display all properties of user class in table .
> > Now I want to only display some of properties of user class and add some
> > extra columns like delete/update action to each row.
> > What should I do?
>
> To add a column, you need to create a BeanModel.
> ------------------------------------
> @Inject
> @Service(value = "BeanModelSource")
> private BeanModelSource _beanModelSource;
>
> @Inject
> @Service(value = "ComponentResources")
> private ComponentResources _componentResources;
>
> private BeanModel _model;
>
> public BeanModel getModel(){return _model;}
>
>
> public void onActivate(){
> _model = _beanModelSource.create(YOUR_OBJECT_HERE.class, true,
> _componentResources);
>
> _model.add("action", new NullPropertyConduit()).order(-1)
> .sortable(false);
>
> //You /should/ use the @NonVisual action to hide properties you
> //generally don't want displayed. On the other hand, you can
> //remove properties from the BeanModel here.
> }
>
> //Other stuff elided.
> -------------------------
>
> I have a NullPropertyConduit object that is nothing but generic responses
> to all of the function calls in the PropertyConduit interface. That
> doesn't
> matter, because instead of worrying about what the conduit is going to
> pull from my bean, I provide it with a template that contains this:
>
> -------------------------
> <block t:type="Grid" source="source" row="currentRow" model="model">
> <t:parameter name="actionCell">
> <a href="#" t:type="PageLink" page="delete"
> t:context="currentRow.id"/>Delete</a>
> </t:parameter>
> </block>
> -------------------------
>
> This isn't a drop-in and have it work example, but I think all the
> fundamental
> things you need to do to get the find of functionality you want are
> illustrated. Good luck!
>
> --
> njl
>
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