Nope not necessary. Just need to show In chunk like remotetable.
But need to show incrementally because data will come from serverside in
increment.only new data will be added.
On 13 Jun, 2014 2:07 pm, "Martin Wittemann" <martin.wittem...@1und1.de>
wrote:
> Hey,
>
> I will need a list that need to handle huge list of items, which comes
> from serverside and , it will be huge , more than a million.
>
> No matter which widget you will use, showing millions of items results in
> an almost endless scrolling so the first question should be: is it
> necessary to show all items at once of would not be a server-side based
> filter a better solution. But as I don’t know your use case, thats just
> what comes into my mind reading you question.
>
> Which List or Tree item should be used? It should be able to handle
> like RemoteTableModel , which works unlimited.
>
> new qx.ui.list.List()
>
> qx.ui.form.list
>
> qx.ui.treevirtual.TreeVirtual (depreciated?why?)
> qx.ui.tree.VirtualTree (from our test , loading 20000 items at once almost
> hang browser and cannot handle like RemoteTableModel)
>
>
> For hue amount of data, we do have something called virtual widgets,
> which are VirtualTree or list.List. The non virtual widgets are not an
> option here. But the virtual widgets rely on data binding which need
> model’s to be rendered. Creating millions of model objects could be slow as
> well. So I guess you won’t have any option here to get that done out of the
> box. So I would suggest two things:
>
> 1. Check if its really necessary to show millions if items at once and
> is it the best UX.
> 2. If so, load the data in batches and add the data to the models while
> scrolling.
>
> Regards,
> Martin
>
>
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