Hi Folks,
Thanks again for all the help with my questions to date â. I have a
new question though (more of a request for advice really).
I have set up a system where I have a âgenericâ list form that
takes as its input a list of objects (theObjects) and a list of property names
(theNames) and then proceeds to use the names as column titles and accessor
methods. Example:
Given this object definition:
Solider (name, rank, serial_number)
This list of objects:
{Patton, General, 4}
{Benjamin, Private, 6}
And this List of properties:
{rank, name}
I output a list that looks like:
Rank: Name:
General Patton
Private Benjamin
It works fine.
Now, however, I want to add sorting behavior to the column headers. I
read through my (somewhat dog eared) copy of tapestry in action, but the
section on column sorting seems to be based on the assumption I know at design
time what class of objects and what properties will be on screen at runtime
(which I won't). So it appears I won't be able to use the built in sortColumn
code (maybe I'm wrong here, if there's a way I'd love to hear it).
Traditionally my solution to this problem was to hide a <form> on
screen, put a javascript "onClick" handler on each <th> item and then
programmatically submit the hidden form after setting its hidden "sort" field
to indicate the column which was just clicked upon. I can do this again if I
have to, but it strikes me as a decidedly "un-tapestryish" approach to the
problem.
Can anyone suggest a more paradigm appropriate solution here? Some sort
of bodged directlink approach (make the <th> into directlinks and stuff their
column names in as parameters)? Is there a way to make the sortColumn approach
work for me? Something else entirely?
--- Pat
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