class _ViewProviderClone:
    "a view provider that displays a Clone icon instead of a Draft icon"

    def __init__(self,vobj):
        vobj.Proxy = self

    def getIcon(self):
        return ":/icons/Draft_Clone.svg"

    def __getstate__(self):
        return None

    def __setstate__(self, state):
        return None

    def getDisplayModes(self, vobj):
        modes=[]
        return modes

    def setDisplayMode(self, mode):
        return mode

    def resetColors(self, vobj):
        colors = []
        for o in getGroupContents(vobj.Object.Objects):
            if o.isDerivedFrom("Part::Feature"):
                if len(o.ViewObject.DiffuseColor) > 1:
                    colors.extend(o.ViewObject.DiffuseColor)
                else:
                    c = o.ViewObject.ShapeColor
                    c = (c[0],c[1],c[2],o.ViewObject.Transparency/100.0)
                    for f in o.Shape.Faces:
                        colors.append(c)
            elif o.hasExtension("App::GeoFeatureGroupExtension"):
                for so in vobj.Object.Group:
                    if so.isDerivedFrom("Part::Feature"):
                        if len(so.ViewObject.DiffuseColor) > 1:
                            colors.extend(so.ViewObject.DiffuseColor)
                        else:
                            c = so.ViewObject.ShapeColor
                            c = (c[0],c[1],c[2],so.ViewObject.Transparency/100.0)
                            for f in so.Shape.Faces:
                                colors.append(c)
        if colors:
            vobj.DiffuseColor = colors