Group and panels architecture

The class hierarchy is the following

• groupContainer()

• groupContainer.collection : contains a GroupSpecs() collection

• GroupSpecModel()

• GroupSpecModel.panels : contains a PanelSpecs() collection

• PanelSpecModel()

• PanelSpecModel.type : one of PanelSpecTypes()

• groupContainer.children : is a groupContent() iterator

• groupContent.children : is a PanelWrapper() iterator

• PanelWrapper()

• PanelWrapper.contentsView : is a subclass of AssemblPanel(), of which every panel inherits