Use ListModel isntead of U1Db. Just put elements from db to list and enjoy.
Such pattern is rock-solid.
2015-02-02 23:58 GMT+03:00 Bogdan Cuza <bogdan.c...@hotmail.com>:
> Hello Christian,
>
> Here's the removeDeck() function from DB.js:
>
> function removeDeck(deckLanguage, deckColor) {
> var tempContents = {};
> tempContents = deckDB.contents;
> for (var i = 0; i < tempContents.decks.length; i++) {
> if (tempContents.decks[i].deckLanguage == deckLanguage &&
> tempContents.decks[i].deckColor == deckColor){
> tempContents.decks.splice(i, 1);
> break;
> }
> }
> deckDB.contents = tempContents;
> }
>
> and in the Dialog, I just call PopupUtils.close(); mainStack.pop() and
> DB.removeDeck(). I think the problem might be in the Repeater, although I
> am not sure.
>
> > Date: Mon, 2 Feb 2015 21:43:36 +0100
> > From: christian.dy...@canonical.com
> > To: bogdan.c...@hotmail.com; ubuntu-phone@lists.launchpad.net
> > Subject: Re: [Ubuntu-phone] U1db as repeater model, QQmlExpression error
>
> >
> > On 02.02.2015 21:33, Bogdan Cuza wrote:
> > > Hello, everyone!
> > >
> > > I have asked for help on Google+, but this might be a better place for
> > > that.
> > > Here I have the following situation:
> > > 1) Repeater with U1db contents as model
> > > 2) An edit page, which the user goes to (it has a delete dialog)
> > > 3) User deletes an item (I create tempContents, splice from the array
> > > and set the U1db contents = tempContents)
> > > 4) Pop the edit page
> > > And I get this: QQmlExpression: Attempted to evaluate an expression in
> > > an invalid context
> > > I know something like this has been seen in the settings app, but here
> > > the situation is a little different as I am not using a ListView.
> > > Moreover, I tried to change the execution order to clear the
> > > pagestack, then remove the item, then push the page again (the page
> > > should be reloaded, because I push a file ie Qt.resolvedUrl), but I
> > > get the same error. Can anyone help me?
> > >
> > Hey Bogdan,
> >
> > could you provide some code so there's a way to see exactly what you're
> > doing? If it's in a complex app maybe copy the relevant bits into a
> > template app so it's easy to see what's going on.
> >
> > ciao,
> > Christian
> >
>
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