The "columns" argument will not be in web2py stable. Use fields
instead.



On Nov 12, 9:11 am, Cliff <cjk...@gmail.com> wrote:
> Here is a better way to do it, though:
>
>     links = [ lambda row:
>              A(
>                  SPAN(_class='icon plus'),
>                  SPAN(_class='buttontext button',
>                       _title='Create PO',),
>                  'Create PO',
>                  _href = URL(
>                      'purchase_orders', 'create_po',
>                      # vars = {'product': p.findall(str(row.id))}
>                      vars = {'product': row.id}
>                  ),
>              ),
>             ]
>
>     grid = SQLFORM.grid(query, csv=False, deletable=False,
> columns=columns,
>                        maxtextlength=64, links=links)
>
> On Nov 12, 9:39 am, Cliff <cjk...@gmail.com> wrote:
>
>
>
>
>
>
>
> > Anthony,
>
> > Thanks for the pointer.  Much better.
>
> > Cliff Kachinske
>
> > On Nov 11, 10:50 pm, Anthony <abasta...@gmail.com> wrote:
>
> > > Also, using the .element() and .elements() methods provides some powerful
> > > options for searching the DOM --
> > > seehttp://web2py.com/book/default/chapter/05#Server-side-DOM-and-Parsing.
>
> > > Anthony
>
> > > On Friday, November 11, 2011 5:37:52 PM UTC-5, Cliff wrote:
>
> > > > Props to Richard Vezina for posting a similar technique.  This is
> > > > built on his post
>
> > > > From the book we know that, "Components' objects can be referenced via
> > > > their position, and helpers act as lists with respect to their
> > > > components."
>
> > > > A little archaeology in the source code tells us that SQLFORM.grid
> > > > emits a DIV object.  When there's an index table involved, the DIV has
> > > > three components: a DIV, a DIV containing a TABLE and another DIV.
>
> > > >  # first we get the grid
> > > >  grid = SQLFORM.grid(query)
>
> > > >     # examine the div at the top of the grid div
> > > >     # for index lists, this div is of the class 'console',
> > > >     # so look for 'console' near the start of the div
> > > >     # there is CERTAINLY a better way to detect an index table, but
> > > > this works
> > > >     if 'console' in str(grid[0])[0:35]:
> > > >         ## grid[1][0][1] is the DIV, TABLE and TBODY
> > > >         ## so we iterate over TRs in the table body
> > > >         for row in grid[1][0][1]:
> > > >             ## TR acts like a list, so we use some Python list fu
> > > >             row.insert(-1, 'foo')
> > > >     return dict(grid=grid)
>
> > > > Done.  Haven't cleaned up the table head yet, but it should be
> > > > similar.

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