def initViewerControlUi(self):
"""
Load the viewer controls GUI, which appears below the applet bar.
In our case, the viewer control GUI consists mainly of a layer list.
Subclasses should override this if they provide their own viewer control widget.
"""
localDir = os.path.split(__file__)[0]
self.__viewerControlWidget = ViewerControls()
# The editor's layerstack is in charge of which layer movement buttons are enabled
model = self.editor.layerStack
if self.__viewerControlWidget is not None:
self.__viewerControlWidget.setupConnections(model)
