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
> --
> http://www.desktopbeautifier.com/
>
>
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