Refactor o.f.tooling.base.ui.databinding.*EditingSupport
Refactor and cleanup org.fortiss.tooling.base.ui.databinding.
- AbstractDecoratedComplexCellWithTextStyledTextActionHandlerDatabindingEditingSupport
- AbstractComplexCellWithTextStyledTextActionHandlerDatabindingEditingSupport
- AbstractComplexCellDatabindingEditingSupport
Lots of code duplication in there
(from redmine: issue id 2267, created on 2015-02-02, closed on 2015-08-12)