[litwindow-users] Re: User containers?

[Hajo K. <mai...@ha...>]

yrs90 wrote:
> I'm not sure if I'm doing this right.  I'd like to mediate access to the
> container so that I know if data has changed, possibly to filter data sent
> to views, and to provide some map-like capabilities to the vector (unique
> container, named lookup).

> 
> BEGIN_ADAPTER(MyContainer)
>   PROP_I(vector<MyListItem>)
>   PROP_RW_FUNC(IsDirty, SetDirty, "Dirty")
> END_ADAPTER()
> 
> IMPLEMENT_ADAPTER_CONTAINER(vector<MyListItem>)
> 
> class ... {
>   MyContainer m_list;
> };
> 
> BEGIN_ADAPTER(...)
>   PROP(m_list)
> END_ADAPTER()

This should work, as far as I can see from studying the 
IMPLEMENT_ADAPTER_CONTAINER define. This define inserts code for a 
get_prop_type(const vector<MyListItem>*) function and if you pass a 
MyContainer object to it, the compiler should automatically cast this to 
vector<MyListItem>.

> 
> By the way, in order to do this I had to insert a space before the closing
> bracket of the PROP_I macro to avoid >>.

Fixed now, thanks. I'll check it in.

Hajo