The current mechanism works, but it is not elegant. I really don't
understand what impedence mismatch you're talking about though. We take
the flat list and divide it into columns and rows, much like we're
already doing using ColumnedDataProvider -- but all in one component
instead of across multiple ones.
Off the top of my head, I would take the DataViewer and add the concept
of columns into it and I think that would be pretty elegant. No?
Gili
Igor Vaynberg wrote:
This is how it works with the columned data provider isnt it? The problem is
that there is an impedence mismatch between the idataprovider which provides
a flat list and the double dataview which tries to fit the flat list into a
grid. The renderer imho fixes that.
Anyways, as I said, no point further discussing this if the current approach
works for you.
-Igor
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Gili
Sent: Tuesday, August 16, 2005 3:47 PM
To: wicket-user@lists.sourceforge.net
Subject: Re: [Wicket-user] Re: ColumnedDataProvider
startIndex problems
Why can't we just do this?
<table wicket:id="grid" cellspacing="0" cellpadding="2">
<tr wicket:id="row">
<td wicket:id="column">cell</td>
</tr>
</table>
I mean, this way you don't need special renderers (you
just put all your stuff directly into the HTML file) and you
can still do either old HTML tables or CSS or whatever. We
allow developers to attach three IDs on the markup end (one
for the grid, one for the row, one for the
column) and they can use any tags (i.e. table, tr, td, div,
span, etc) and put any markup before or after them.
Wouldn't this work?
Gili
Igor Vaynberg wrote:
There are plenty of components in wicket that write out
html directly
to the response stream, sometimes it is the best and
easiest solution.
In this case all we are interested in is generating a simple grid
layout that hosts cells. Is it easier to write your own renderer to
customize your css or whatever as opposed to having to write markup
for two dataviews everytime and making sure you get that
exactly right.
With a renderer all you do is:
<table wicket:id="grid" cellspacing="0" cellpadding="2">
[cell markup]
</table>
Anyways, if you don't like it I wont implement it until I need it :)
-Igor
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Gili
Sent: Tuesday, August 16, 2005 3:23 PM
To: wicket-user@lists.sourceforge.net
Subject: Re: [Wicket-user] Re: ColumnedDataProvider startIndex
problems
Looks bad :)
We should have external markup files (i.e. *.html)
instead of doing
this the old servlet/JSP way of manually writing out HTML.
Gili
Igor Vaynberg wrote:
Basically a table renderer would look something like this:
Class tablerenderer implements igridrenderer {
begin(...) {}
beginRow(GridView view) {
view.getResponse().write("<tr>");
}
beginCell(GridView view) {
view.getResponse().write("<td>");
}
...
}
Mmm this gives me an idea, we can have an excelrenderer or a
csvrenderer, etc.. Almost like an exporter.
-Igor
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Gili
Sent: Tuesday, August 16, 2005 2:36 PM
To: wicket-user@lists.sourceforge.net
Subject: RE: [Wicket-user] Re: ColumnedDataProvider startIndex
problems
Looks ok I think although I'm not too familiar with this whole
concept of a seperate renderer. I'd have to try it to see
what I think
:)
Gili
How about this idea:
We have a gridview extends dataview. A gridview takes a render
interface that it uses to render the grid (instead of body
markup), so
we can have a tablerenderer or cssrenderer or whatever, and the
interface would roughly look like this:
Interface IGridRenderer {
begin(GridView view);
beginRow(GridView view);
beginCell(GridView view);
endCell(GridView view);
endRow(GridView view);
end(GridView view);
}
Basically this is the same as my first post that
inserted the html
directly but now its tucked away in a renderer. This way we
don't have
the unnceessary row-wise views and you can even use OIR
cleanly since
it is basically a dataview.
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