private void deselectAll() {
		// view.setImageSelectionSet(null);
		// view.setLineSelectionSet(null);
		// view.setRectangleSelectionSet(null);
		// view.setEllipseSelectionSet(null);
		// view.setTextBoxSelectionSet(null);
		// model.setObstacleSelectionSet(null);
		model.setAtomSelectionSet(null);
		model.setRBondSelectionSet(null);
		model.setABondSelectionSet(null);
		model.setTBondSelectionSet(null);
		model.setMoleculeSelectionSet(null);
	}