flipHorAction = new LayerTransformAction(MapLayer.MIRROR_HORIZONTAL);
flipVerAction = new LayerTransformAction(MapLayer.MIRROR_VERTICAL);
selectAllAction = new SelectAllAction();
cancelSelectionAction = new CancelSelectionAction();
inverseAction = new InverseSelectionAction();
addLayerAction = new AddLayerAction(this);
cloneLayerAction = new CloneLayerAction(this);
deleteLayerAction = new DeleteLayerAction(this);
moveLayerUpAction = new MoveLayerUpAction(this);
moveLayerDownAction = new MoveLayerDownAction(this);
mergeLayerDownAction = new MergeLayerDownAction(this);