So after a couple of thoughs i found a possible solution: decorators.
The idea is to intercept parameters transfered to @paginate.Here is
the decorator:
def copyparms(*to_copy):
import turbogears.decorator
from turbogears.decorator import weak_signature_decorator
# @weak_signature_decorator
def decorator(f):
def internal(*args,**kwds):
for old,new in to_copy:
if old in kwds:
kwds[new] = kwds[old]
return f(*args,**kwds)
return internal
return decorator
Then all we need is to declare @copyparams before @paginate.
Something like this:
@copyparms(("tg_paginate_order","order_by_field"))
@paginate('mb_stats',default_order=BY_BYTES)
def
mbstats(self,area_id,uclass,stats_by_field,order_by_field=BY_BYTES):
pass
If anybody is interested i can sent him(her) the code.
On Apr 12, 3:29 pm, "yoanis_gil" <[EMAIL PROTECTED]> wrote:
> I wanted a sortable and paginated datagrid so i decided to use
> PaginateDatagrid. Since i'm not using SqlObject and i want to display
> a list of tuples, I don't get elements sorted. That's ok. This is how
> i defined my datagrid:
>
> mb_stats_datagrid = PaginateDataGrid(fields=[
> PaginateDataGrid.Column(name='usuario',
> getter=lambda row: row[0], title='Usuario'),
>
> PaginateDataGrid.Column(name=BY_MSG_COUNT,getter=lambda row: row[1],
> title='Cantidad',options=dict(sortable=True)),
>
> PaginateDataGrid.Column(name=BY_BYTES,getter=lambda row: row[2],
> title='Peso',options=dict(sortable=True))])
>
> I notice that columns headers from the rendered datagrid contains a
> param which specifies which column is to be sorted. The param is named
> *tg_paginate_order*. That's when i figured out how to get my data
> sorted. I just needed access to that param. But ...
> Looking at paginate.py. I found this:
>
> page = int(kw.pop('tg_paginate_no', 1))
> limit_ = int(kw.pop('tg_paginate_limit', limit))
> order = kw.pop('tg_paginate_order', default_order)
> reversed = kw.pop('tg_paginate_reversed', None)
>
> Yes, :( that was really sad. I know that most of those variables are
> not relevant for the function been decorated. But if there's a way of
> knowing the sorting parameter then paginate parameter becomes even
> more generic.
>
> I guess i will have to find a way of keeping that parameter.
>
> Regards ...
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