On Thu, Jun 14, 2012 at 4:16 PM, Derrell Lipman <
[email protected]> wrote:
> I am trying to respond to touchstart and touchmove events on a container.
> When I receive a touchstart or touchmove event, I start with
> widget=e.getTarget() and walk up the the layout parent chain with
> widget=widget.getLayoutParent() until I find a container on which I which I
> can operate.
>
> I'm finding, however, that if I add a qx.ui.mobile.list.List() to one of
> my containers, I get a parent of null during that walk, because
> e.getTarget() returns a qx.ui.mobile.container.Composite whose parent is a
> qx.ui.mobile.list.renderer.Default, which has a parent of null. This
> Default renderer is not properly in the layout chain!
>
> If the touchstart begins on a list item, how can I figure out which
> container the list is in?
>
I ended up accomplishing this by walking up the DOM element tree until I
found an element that has a CSS class of one of my containers. That seems
unreliable and difficult to work with. I think that walking the
getLayoutParent() chain should be made to work.
Derrell
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