         layout: 'bottomLeft',
         type: 'warning'
       })
-      
+
     currentSelection = @addComponentsTreema?.getLastSelectedTreema()?.data._id
 
     id = node.data._id


    toRemoveTreema = []
    dependent_class = 'treema-dependent'
    try     
      for index, child of @extantComponentsTreema.childrenTreemas
        $(child.$el).removeClass(dependent_class)


    @reportChanges()

  onAddComponentEnterPressed: (node) =>
    extantSystems =
      (@supermodel.getModelByOriginalAndMajorVersion LevelSystem, sn.original, sn.majorVersion).attributes.name.toLowerCase() for idx, sn of @level.get('systems')
    requireSystem = node.data.system.toLowerCase()

