On Thu, Jan 8, 2009 at 9:34 PM, Igor Vaynberg <igor.vaynb...@gmail.com>wrote:
> override onbeforerender, do some check there, and call setvisible() > > -igor Thanks Igor, I will try that. > > > On Thu, Jan 8, 2009 at 5:47 AM, Peter Thomas <ptrtho...@gmail.com> wrote: > > On Sat, Jan 3, 2009 at 8:46 PM, Peter Thomas <ptrtho...@gmail.com> > wrote: > > > >> Hi, > >> > >> I am using a DataView and I was trying to override isVisible() and use > >> "this.getRowCount()" to decide if the table should be rendered or not. > But > >> this results in a stack overflow because DataView#getRowCount() > internally > >> calls isVisibleInHierarchy(). > > > > > > *bump* - I just found through a Nabble search that this had come up > earlier: > > > > http://www.nabble.com/enclosures-and-dataview-td14258879.html#a14258879 > > > > I just raised a JIRA issue: > > https://issues.apache.org/jira/browse/WICKET-2012 > > > > > >> > >> > >> The use case is trying to hide a table header row when there are no > search > >> results. The implementation of getRowCount() in AbstractPageableView > >> (Wicket 1.3.5) starts like this: > >> > >> if (!isVisibleInHierarchy()) > >> { > >> return 0; > >> } > >> > >> Was wondering - is that part really necessary? I wanted to use an > >> enclosure but that also results in isVisible() calls all over the place. > >> The only way I could work around this for now is by using a separate web > >> markup container for hiding the table header row. > >> > >> How can I hide a DataView if the data size is zero? I could call size() > on > >> the IDataProvider but I think the DataView has some logic to cache the > >> size. What am I missing? > >> > >> Thanks, > >> > >> Peter. > >> > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org > For additional commands, e-mail: users-h...@wicket.apache.org > >
