ubuntu-phone team mailing list archive

[Sam Bull <sam.hacking@xxxxxxxx>]

OK, there's no delegate, it's all hardcoded elements. To clarify, the
expandable doesn't come into view if it's expanded as I display the
page, it does however work when I later click an item to expand a
section.

I'll put some of the code here as an example. The page is created and
displayed with these two lines:

        pagestack.push(Qt.resolvedUrl("qml/" + file))
        pagestack.currentPage.openSection(link.split("."))

Then, the beginning of the page being loaded, looks like this:

        Page {
            id: resultsPage
            anchors.fill: parent
            visible: false
            title: "a"
        
        function openSection(refLink) {
            if (refLink.length > 1) {
                var expandable = eval(refLink[0] + "_" + refLink[1])
                // This doesn't move the screen to the element.
                expandable.expanded = true
                // This always prints 76 for any element.
                print(root.mapFromItem(expandable.parent, expandable.x, expandable.y).y)
            }
        }
        
        ListItem.ExpandablesColumn {  // ART
            id: colu
            anchors.fill: parent
        
                ListItem.Expandable {  // DRV
                        id: a1_0
                        onClicked: expanded = true
                        collapsedHeight: units.gu(6)
                        collapseOnClick: true
                        expandedHeight: drv_idm247665072.height + units.gu(1)
                        
                        ... and so on

On mer, 2014-07-23 at 19:26 +0200, Michael Zanetti wrote:
> On Wednesday 23 July 2014 17:57:13 Sam Bull wrote:
> > I would like to position the screen so that it scrolls to a specific
> > element after opening a page.
> > 
> > First, I'd like to be able to make sure an Expandable is in view upon
> > expanding it (though this could be considered a bug of ExpandablesColumn
> > that it doesn't do this automatically).
> 
> Hmm, that should work. I just tried the example from the doc and it expands 
> fine.
> 
> > 
> > But, then I'd also like to be able to bring certain sub-items to the top
> > of the display.
> > 
> > Unfortunately, reading the .y attribute always gives 0 for all these
> > elements. Likewise, trying to get the global position with something
> > like:
> >         root.mapFromItem(elem.parent, elem.x, elem.y).y
> > always returns 76.
> 
> delegate.mapToItem(ListView.view)
> 
> > 
> > I don't know if maybe the elements haven't finished loading or
> > something. If that is the case, is there any way to connect to the
> > elements positions when they are changed? I've tried things like
> > elem.onYChanged = function() ... but it's not working.
> 
> I think the item's y should also work. Maybe its a problem with your delegate 
> items?
> 
> Br,
> Michael
>

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