Re: [Rubycocoa-talk] Problems with creating bindings programatically in RubyCocoa

[Eloy D. <elo...@gm...>]

Hey Alex,

I think that what you want to do is to simply set the target of the
NSButton to the ActiveRecordSetController instance and use a selector
like #removeObject(obj) or #removeSelectedObjects() to tell the
controller to remove the object.

This is also how the + & - buttons work in the MailDemo sample.

Hope it helps :)

Cheers,
Eloy

On 8/4/07, Alex Speller <al...@al...> wrote:
>  Hi there,
>
> I'm having some problems setting up bindings programmatically.
>
> I'm trying to use a table with a (-) button in that removes it's row when
> clicked. The other table columns are bound to an ActiveRecordSetController,
> and the button column is unbound (is this right?). I then use setDataCell on
> the this column.
>
> This is what I've tried:
>
>  cell = OSX::NSButtonCell.alloc.init
>     cell.objc_send(
>     :bind,         "target",
>     :toObject,     self,
>     :withKeyPath,  "current_sale_controller",
>    :options,      {"NSSelectorName" => "remove" }
>    )
>
>  cell.setTitle '-'
>    @remove_button_column.setDataCell cell
>
> This doesn't give an error, but nothing happens when you click the button.
>
> I think it could possibly be a problem with OSX::NSSelectorName not being a
> recognized constant, which is why I used the string instead. Am I on the
> right track here? Any pointers appreciated, I've searched google (a lot)
> before asking and I'm out of ideas...
>
> Thanks in Advance,
> Alex Speller
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