On Fri, May 3, 2013 at 10:42 AM, Martijn Dashorst < martijn.dasho...@gmail.com> wrote:
> Would it be something for 7.x to make this more straightforward? Not sure > how to accomplish that from the top of my head, but it would be quite nice > to have this out-of-the-box. > We created our component with Wicket 1.5. There is nothing that requires newer Wicket for it. But let's think how to make some generic ajax behavior for this pattern. > > Martijn > > On Fri, May 3, 2013 at 9:51 AM, Martin Grigorov <mgrigo...@apache.org > >wrote: > > > Hi, > > > > There are many articles in the web about "javascript event delegation". > > Here is one of them: http://davidwalsh.name/event-delegate > > > > The idea is that you should use AjaxEventBehavior on the table component > > without using AjaxLink or any other Ajax component/behavior for the > > components in the cells. > > The cells and rows can have data-xyz attributes with their specific data. > > When a cell is clicked AjaxCallListener can collect the related data from > > the data- attributes and send it to the server. The #onClick() method can > > process the posted data or just broadcast it with Wicket event to the > > children components so they can process it themselves. > > > > This pattern is not so straithforward as using AjaxLink but it indeed > makes > > a difference in the performance, especially in IE family. > > > > > > > > On Fri, May 3, 2013 at 12:15 AM, Nick Pratt <nbpr...@gmail.com> wrote: > > > > > Any demos of this with Wicket form components or simple click > listeners ? > > > > > > I'd much rather a repeater have a single listener for grouped events > (or > > > maybe at the column level for tables) > > > > > > N > > > On May 2, 2013 6:10 PM, "Dan Retzlaff" <dretzl...@gmail.com> wrote: > > > > > > > Martin-G elaborated a bit on this last year: > > > > > > > > > > > > > > http://mail-archives.apache.org/mod_mbox/wicket-users/201209.mbox/%3ccamomwmqdf3ytlstb_kbnvn9t1pump_-+npdtmtvyt+ac6ec...@mail.gmail.com%3E > > > > > > > > I think the gist is that you can avoid attaching listeners to each > > child > > > > with a single listener on the parent with enough smarts to figure out > > > which > > > > child generated the event. > > > > > > > > > > > > On Thu, May 2, 2013 at 3:25 PM, Martin Dietze <d...@fh-wedel.de> > wrote: > > > > > > > > > Than you for your help! > > > > > > > > > > On Thu, May 02, 2013, Martin Grigorov wrote: > > > > > > > > > > > > long blocks of Javascript code executed at "domready". > > > > > > > > > > > > > > > > > > > This depends on how many Ajax components/behaviors you have in > your > > > > page > > > > > > and how many OnDomReadyHeaderItems are contributed. > > > > > > > > > > > > If you use JavaScript event delegation with Wicket Ajax Behavior > > that > > > > > > broadcasts events then you can decrease this dramatically. > > > > > > > > > > That sounds interesting, but - forgive me my ignorance - this is > > > > > the first time I hear about this kind of thing. Can you hint me > > > > > at some example? > > > > > > > > > > Cheers, > > > > > > > > > > M'bert > > > > > > > > > > -- > > > > > ----------- / http://herbert.the-little-red-haired-girl.org / > > > > > ------------- > > > > > =+= > > > > > Katz' Law: Man and nations will act rationally when all other > > > > > possibilities have been exhausted. > > > > > > > > > > > --------------------------------------------------------------------- > > > > > To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org > > > > > For additional commands, e-mail: users-h...@wicket.apache.org > > > > > > > > > > > > > > > > > > > > > > > > > -- > > Martin Grigorov > > Wicket Training & Consulting > > http://jWeekend.com <http://jweekend.com/> > > > > > > -- > Become a Wicket expert, learn from the best: http://wicketinaction.com > -- Martin Grigorov Wicket Training & Consulting http://jWeekend.com <http://jweekend.com/>
