Hi, I mean something like https://github.com/mleibman/SlickGrid/wiki#virtual-rendering - DOM objects are added and removed while scrolling, thus keeping the DOM tree size small
On Wed, Mar 27, 2013 at 12:52 PM, vineet semwal <vineetsemwa...@gmail.com>wrote: > hi , > do you mean removing items when you said unloading? > the scroll behavior and navigator that are in the package just do > quickview#addItemsForNextPage() on event like in this example > > https://github.com/vineetsemwal/quickview/blob/master/wicket-quickview-examples/src/main/java/com/aplombee/examples/PageScrollBar.java > > somone who doesn't want to maintain state can do > > *protected* void onScroll(AjaxRequestTarget target) { > //this removes items but do not update client view > quickView.simpleRemoveAll(); > addItemsForNextPage(quickView); > } > > as in this case the state is not maintained hence not good for someone > who wants to use stateful components .. > may be i am just misunderstanding you :-) > > > > On Wed, Mar 27, 2013 at 1:01 PM, Martin Grigorov <mgrigo...@apache.org > >wrote: > > > Check https://github.com/vineetsemwal/quickview - a lazy loading > repeater. > > I'm not sure whether it also unloads items which are no more visible. > > > > > > On Wed, Mar 27, 2013 at 12:16 AM, Ernesto Reinaldo Barreiro < > > reier...@gmail.com> wrote: > > > > > Hi, > > > > > > Angular is just a "detail" on the approach I was suggesting... You can > > > achieve "the same" using "plain" jquery to ask for JSON and do > "creation" > > > of rows at client side iterating over results. If you do thing nicely > you > > > can still have some kind of componentization and the performance will > be > > a > > > lot better... Not to mention use of resources at server side. > > > > > > On Tue, Mar 26, 2013 at 9:10 PM, Marco Springer <ma...@glitchbox.nl> > > > wrote: > > > > > > > I've looked at Angular a while back and it certainly looks > interesting. > > > > > > > > However I don't think it's wise to introduce another technology > within > > > the > > > > current company where I'm migrating a rather large CGI-BIN > application > > > to a > > > > Wicket variant and into several modules. > > > > I'm the main JAVA/Wicket guy now, the others are mainly C++ > developers > > > with > > > > some JAVA knowledge and growing in that knowledge as more and more > > parts > > > > are > > > > converted into Wicket counterparts. > > > > So they already have to get known with: > > > > Hibernate, parts of Spring, Wicket, Maven and HTML, CSS & JS. > > > > > > > > Sooo for now.. I'm sticking with Wicket only. > > > > And with the zoomed out version and restricting the date range, ergo > > > > reducing > > > > the amount of components.., that fixes things. > > > > > > > > The future will give me plenty of time make things even fancier. > > Perhaps > > > > even > > > > the use of Angular. > > > > > > > > On Tuesday 26 March 2013 19:55:30 Ernesto Reinaldo Barreiro wrote: > > > > > I mean: This same component could be used as "context" for AJAX > > > > > interactions. > > > > > > > > > > On Tue, Mar 26, 2013 at 7:42 PM, Ernesto Reinaldo Barreiro < > > > > > > > > > > reier...@gmail.com> wrote: > > > > > > Why don't you try rolling your own component that at sever side > > just > > > > > > serves JSON and you build up "rich functionality" at client side. > > > This > > > > > > same > > > > > > context could be used as "context" for AJAX interactions. > Something > > > > like > > > > > > > > > > > > http://www.antiliasoft.com/wicket-angular-demo/ > > > > > > > > > > > > On Tue, Mar 26, 2013 at 5:23 PM, Marco Springer < > > ma...@glitchbox.nl > > > > >wrote: > > > > > >> I'm building a Gantt like interface with Wicket (nearly > finished). > > > > > >> It was a requirement to see multiple years of planned items, in > > the > > > > > >> extreme > > > > > >> range even. > > > > > >> > > > > > >> I've down-tuned it to be around max ~3k (8 years) of components > in > > > > that > > > > > >> listview, through the power of persuasion and as a test. > > > > > >> At 3k components, the getId() method is called quite a > reasonable > > > > amount > > > > > >> of > > > > > >> times. around 4.5M'ish times through the children_indexOf > method. > > > > > >> > > > > > >> But you're absolutely right, 100k components is bull. > > > > > >> > > > > > >> Right now I've settled with them that I'd change the view of the > > > > Gantt to > > > > > >> be > > > > > >> less detailed when that amount of data is in there. The UI is > > quite > > > > > >> flexible in > > > > > >> that I can change what I render. > > > > > >> > > > > > >> With 2 years, only 731 columns are rendered, each day is a > column. > > > > > >> When > 2 years, I change the view to a more zoomed out version. > > > > > >> With 8 years, only 97 columns are rendered, each month being a > > > column. > > > > > >> > > > > > >> Etc... > > > > > >> > > > > > >> Still with all the components taken in as it is a Gantt chart > > kinda > > > > > >> interface, > > > > > >> the browsers that I test in are only getting a bit sluggish when > > I'm > > > > > >> displaying around 2k of components on this Intel Q8200. > > > > > >> I'm not displaying any fancy gif's/flash or whatever, only allot > > of > > > > div's > > > > > >> and > > > > > >> some svg overlays through jsPlumb for dependency display. > > > > > >> > > > > > >> I mainly found it staggering that the getId() function was > called > > > that > > > > > >> much. > > > > > >> As Martin said, I'm targeting to limit the amount of components > > that > > > > > >> should be > > > > > >> rendered now, although sometimes hard with this kind of > interface. > > > > > >> > > > > > >> Cheers. > > > > > >> > > > > > >> On Tuesday 26 March 2013 08:23:19 Igor Vaynberg wrote: > > > > > >> > putting a 100000 components into a page is ill advised even if > > > they > > > > > >> > are under different parents. > > > > > >> > > > > > >> > > > --------------------------------------------------------------------- > > > > > >> To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org > > > > > >> For additional commands, e-mail: users-h...@wicket.apache.org > > > > > > > > > > > > -- > > > > > > Regards - Ernesto Reinaldo Barreiro > > > > > > > > --------------------------------------------------------------------- > > > > To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org > > > > For additional commands, e-mail: users-h...@wicket.apache.org > > > > > > > > > > > > > > > > > -- > > > Regards - Ernesto Reinaldo Barreiro > > > > > > > > > > > -- > > Martin Grigorov > > jWeekend > > Training, Consulting, Development > > http://jWeekend.com <http://jweekend.com/> > > > > > > -- > regards, > > Vineet Semwal > -- Martin Grigorov jWeekend Training, Consulting, Development http://jWeekend.com <http://jweekend.com/>
