This PR extends the check if a treeItem is expanded to all its ancestors, as in case one ancestor is collapsed, all its children will be hidden.
4 tests are included, two for TreeView and two for TreeTableView. ------------- Commit messages: - Check if treeItem and all its ancestors are expanded, including tests Changes: https://git.openjdk.java.net/jfx/pull/791/files Webrev: https://webrevs.openjdk.java.net/?repo=jfx&pr=791&range=00 Issue: https://bugs.openjdk.java.net/browse/JDK-8286261 Stats: 179 lines in 5 files changed: 171 ins; 0 del; 8 mod Patch: https://git.openjdk.java.net/jfx/pull/791.diff Fetch: git fetch https://git.openjdk.java.net/jfx pull/791/head:pull/791 PR: https://git.openjdk.java.net/jfx/pull/791
