Wow, that's a good one. I guess there are also others who need it and
facing the implementation (I couldn't have done it this way) I think there
is a need.
I was acutally thinking along the lines of implementing a
PageableOrderedRepeatingView and than nest another OrderedRepeatingView.
What about having a default PageableOrderedRepeatingView - glad there is
autocompletition - which has a method internalOnBeginRequest(int page, int
startIndex, int size), so you could do the above and maybe other things
more easy by hand. I don't have a real use-case - just a thought.
Christian
On Fri, 12 Aug 2005 09:08:25 -0700, Igor Vaynberg <[EMAIL PROTECTED]>
wrote:
Here is the quick and dirty solution. Is there enough interest to build a
full blown grid component?
final int cols=7;
final int rowsPerPage=5;
add(new PageableDataView("grid", new ContactDataProvider(),
cols*rowsPerPage) {
protected void populateItem(final DataItem item)
{
Contact
contact=(Contact)item.getModelObject();
item.add(new Label("cell",
contact.getFirstName()+" "+contact.getLastName()));
}
protected void renderItem(Component item)
{
DataItem di=(DataItem)item;
if (di.getIndex()%cols==0)
getResponse().write("<tr>");
super.renderItem(item);
if (di.getIndex()+1==getItemCount())
{
if (getItemCount()%cols!=0)
{
int
needed=cols*((getItemCount()/cols)+1)-getItemCount();
getResponse().write("<td colspan=\""+needed+"\"> </td>");
}
}
if ((di.getIndex()+1)%cols==0)
getResponse().write("</tr>");
}
});
---------------
<table cellspacing="0" class="dataview" border="1">
<span wicket:id="grid">
<td><span wicket:id="cell">[cell]</span></td>
</span>
</table>
-Igor
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Gili
Sent: Friday, August 12, 2005 7:44 AM
To: [EMAIL PROTECTED]
Subject: [Wicket-user] PageableDataView and column cells
Hi,
I'm trying to display a grid of images, for example 4
columns and 3 rows of images, where each "cell" is a
different entry retrieved from the database with a different index/id.
I took a look at the DisplayTag example and
PageableDataView's source-code and they don't seem to be
quite appropriate for handling my use-case. In a nutshell,
PageableDataView only has a concept of rows, where the
populateItem(ListView) method allows one to add() different
views of the same database row. So for example, a given row
will have an id, name, description, etc...
What I need is multiple columns per visual row where
each column is a distinct DB item, with a distinct ID.
PageableDataView only increments the index outside the scope
of populateItem() so I'm not sure it's possible to implement using it.
My gut feeling is that maybe I can use PageableDataView
with CSS somehow to emulate columns but i would be much nicer
if I just had a component that had the concept of columns in
the first place.
What do you think?
Thank you,
Gili
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September 19-22, 2005 * San Francisco, CA * Development Lifecycle
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Security * Process Improvement & Measurement * http://www.sqe.com/bsce5sf
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