RFR: 8237602: TabPane doesn't respect order of TabPane.getTabs() list

Jeanette Winzenburg fastegal at openjdk.java.net
Wed Apr 29 10:00:31 UTC 2020

On Wed, 29 Apr 2020 04:40:59 GMT, Ambarish Rapte <arapte at openjdk.org> wrote:

> Issue:
> When tabs are permuted as mentioned in the issue description as,
> 1. TabPane.getTabs().setAll(tab0, tab1)
> 2. TabPane.getTabs().setAll(tab0, tab1, tab2, tab3);
> the tab headers do not get permuted in same order as `TabPane.getTabs()`.
> => tab headers should be shown in order as  tab2, tab3, tab0, tab1.
> => But should are show in order as  tab0, tab1, tab2, tab3
> Cause:
> Newly added tabs(tab2, tab3) are not inserted at correct index. The index `Change.getFrom()` (0) used from Change does
> not remain valid after the tabs to be moved(tab0, tab1) are removed from `tabsToAdd` list.
> Fix:
> Use the index of first newly added tab, from `TabPane.getTabs()`, which would be always reliable.
> Verification:
> No existing tests fail due to this change.
> Added a system test which fails without and pass with fix.

didn't look closely, just wondering why you need a system test for this?


PR: https://git.openjdk.java.net/jfx/pull/201

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