search

foam-framework / foam

Feature-Oriented Active Modeller
Apache License 2.0
786 stars 55 forks source link

Add support for an 'optional' entry in ChoiceViews #389

Open jlhughes opened 9 years ago

jlhughes commented 9 years ago

An optional ChoiceView does not require a selection, and additionally can be used to 'unset' a property. When enabled an entry such as '--' is added to the top of the choices list.