[502048] Reset widgets' UI state on model change error

For all widgets whose visual state changes before we launch the
associated model change operation, make sure we revert to the previous
reference state if the operation failed.

Bug: 502048
Change-Id: I94a21cbbd1474451cd3af6ce47b701a0c06db781
Signed-off-by: Pierre-Charles David <pierre-charles.david@obeo.fr>
4 files changed
tree: a55fe482860ba84469f2f9b6781a9b63a4e2f3e1
  1. doc/
  2. features/
  3. plugins/
  4. prototypes/
  5. releng/
  6. samples/
  7. tests/
  8. .gitignore