pathviewprovider.py

class ViewProviderPath:

    def __init__(self,vobj): #mandatory
        obj.addProperty("App::PropertyFloat","SomePropertyName","PropertyGroup","Description of this property")
        obj.Proxy = self

    def __getstate__(self): #mandatory
        return None

    def __setstate__(self,state): #mandatory
        return None

    def getIcon(self): #optional
        return ":/icons/my_icon.svg"

    def attach(self): #optional
        # this is executed on object creation and object load from file
        pass

    def onChanged(self,vobj,prop): #optional
        # this is executed when a property of the VIEW PROVIDER changes
        pass

    def updateData(self,obj,prop): #optional
        # this is executed when a property of the APP OBJECT changes
        pass

    def setEdit(self,vobj,mode): #optional
        # this is executed when the object is double-clicked in the tree
        pass

    def unsetEdit(self,vobj,mode): #optional
        # this is executed when the user cancels or terminates edit mode
        pass