Could you attach those to the rfe please?
Thanks,
Eelco
Igor Vaynberg wrote:
Hi Christian,
Attached are my proof-of-concept classes ive been playing around with.
Basically this is the interface and cannibilized versions of listview and
pageablelistview. With very little work these can be extended to support
lists transparently. I havent had much time to spend on it lately because
they work for me and there was no interest, so make sure you test them if
you use them. Also I would appreciate any feedback on the interface.
If/when rfe 1245561 gets implemented, it will be trivial to make these work
with navigation classes that currently only support listviews.
Igor
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of
Christian Essl
Sent: Wednesday, July 27, 2005 1:06 PM
To: wicket-user@lists.sourceforge.net
Subject: Re: [Wicket-user] lists
Hi,
I am quite a new Wicket user and have to agree with Igor. I
found ListView always a bit 'magical' confusing. I do not
realy understand wheter I've to keep my list (indexed) stable
between calls and in case of DB backed lists how to do that.
If I want to provide a custom model which methods of list are
used etc. Do I even have to store my list in session etc.
In the end it took me quite some time that there is a method
on ListView to overwride. Still it seems quite unatural to
first provide a model and than to change the component just
to adjust the provided model.
Further it is most often more easy to provide a model from a
list than a list from a model. List is a 20+ method
interface, which is in case you do not know AbstractList or
want to provide something more performent no way easy to
implement. (After you got the concept of models Swing with
ListView is realy easy).
To me Igors proposal is much more clear. It states clearly
what ListView needs - or better does not need. It doesn't
need an extend, where I always think twice if I do not know
the superclass very well and it it is easy to implement.
Writing a wrapper around a real List is very easy if it is
not already provided from the framework.
Just my new user thougts,
Christian
On Mon, 25 Jul 2005 08:57:14 -0700, Igor Vaynberg
<[EMAIL PROTECTED]>
wrote:
As opposed to IModel getListItemModel(final IModel
listViewModel,
final int
index) ?
What exactly does index mean in a context of a database
backed list?
What kind of a model does listViewModel represent?
Ok didn't know you would use that method to get a listitem model.
But this you already can make on youre own that's no
problem at all.
Just subclass ListView once and make youre own IModel
definition/implementation for that ListView And youre IModel
definition has that getListItemModel() method override the
getListItemModel() of listview. Cast to youre Model and call it.
You are right I can do that no problem.
What I was trying to achieve in all these discussions is to
create a
simpler/standard/non-list-dependent/more user-aware way to do this
because I thought other people would have the same problem and thus
would need a similar solution. However, since no one chimed in on
this, I guess I am alone. So, maybe, the best solution is for me to
roll my own version of listview that works how I want it to
and leave
the framework default as it is since it looks like it works
for most
people.
Igor
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