Thanks Lucien, The signal/slot approach worked like a charm. On 10 October 2014 16:10, <sfietkonstan...@free.fr> wrote:
> Hello Olah, > > I would not recommand using Repeater for long list views, as Repeater do > not manage the items. As you have guessed, ListView destroys items that are > out of the view, to save memory and have better performances. > > In your case, the best way is to animate the removal only if the item is > visible. This can be achieved quite easily: > > 1. create a signal inside the ListView (like doRemoval(int index)), and > give it an id > 2. inside each delegate, connect this signal to a method to perform > animation and removal. Don't forget if the index sent by doRemoval matches > the index of the delegate. > 3. Send the signal when an item have to be removed, passing the index. If > this item is out of the displayed items, nothing will happen, but if it is > inside, the item will be removed. > > Regards, > Lucien > > > ----- Mail original ----- > De: "Krisztian Olah" <fasza2mob...@gmail.com> > À: "Sailfish OS Developers" <devel@lists.sailfishos.org> > Envoyé: Vendredi 10 Octobre 2014 17:00:42 > Objet: [SailfishDevel] ListView vs Repeater > > > > Hi everyone, > > > I need some help between choosing ListView or Repeater. > > > I've got a SilicaListView whose elements I want to remove(only remove, > never add) dynamically from GUI. When I have fairly a long list count(~25), > reaching the element with ListView.contentItem.children[index] is not > possible for the mid to end of the list, probably because ListView destroys > items that are not visible. When that happens children[index] will not > refer to the same element as model.index and therefore I cannot call > remove() on the item. Using a Repeater would of course prevent this, but I > don't think I can have a RemoveAnimation and I think I would have to reset > the model. > > > Is there another way that I didn't think of that would allow me to remove > items from my model with animation and would allow me to have a list up to > 1000 members(in real use it will probably be under 100) long? > > > Thanks in advance > Kris > _______________________________________________ > SailfishOS.org Devel mailing list > To unsubscribe, please send a mail to > devel-unsubscr...@lists.sailfishos.org > _______________________________________________ > SailfishOS.org Devel mailing list > To unsubscribe, please send a mail to > devel-unsubscr...@lists.sailfishos.org
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