Untitled

	public void selectModuleScreen() throws Exception
	{
		// construction of module selection GUI

		select_module.removeAll();
		select_module.revalidate(); // ensuring dynamically generated content is refreshed

		select_module.setVisible(true);
		select_assessment.setVisible(false); // ensuring correct window is displayed
		fb_sub_display.setVisible(false);

		select_module.setPreferredSize(new Dimension(875, 600));
		select_module.setLayout(new BorderLayout(20, 20));

		JLabel modlabel = null;
		JButton newuser = new JButton("<html>Add New User");
		//newuser.setMaximumSize(new Dimension(100, 60));

		if (role.equals("1")) // admin
		{
			modlabel = new JLabel("<html><body>Signed in as admin " + username
									+ ".<br>Modules available:</body></html>");
		}
		else if (role.equals("2")) // student
		{
			modlabel = new JLabel("<html><body>Signed in as user " + username
									+ ".<br>You are taking the following modules:</body></html>");
		}
		else if (role.equals("3") || role.equals("4")) // module leader or teacher
		{
			modlabel = new JLabel("<html><body>Signed in as user " + username
									+ ".<br>You are delivering the following modules:</body></html>");
		}


		select_module.add(modlabel, BorderLayout.PAGE_START);

		select_module.add(Box.createRigidArea(new Dimension(30, 200)), BorderLayout.LINE_START);

		final JList modList = new JList(modulesTaken());
		modList.setSize(200, 500);

		MouseListener mouseListener = new MouseAdapter()
		{
			public void mouseClicked(MouseEvent e)
				{
					try
					{
						if (e.getClickCount() == 2) // double click
						{
							int index = modList.locationToIndex(e.getPoint());
							selectAssessmentScreen(modList.getSelectedValue().toString()); // passing moduleID
						}
					}
					catch(Exception exc)
					{ System.out.println(exc); }
				}
		};
		modList.addMouseListener(mouseListener);

		JScrollPane scrollPane = new JScrollPane(modList);
		scrollPane.setSize(new Dimension(200, 500));

		select_module.add(scrollPane, BorderLayout.CENTER);
		JPanel side = new JPanel();
		JLabel explanation = new JLabel("<html><body>Welcome, " + userRole(role) + " " + username
										+ ".<br><br>Feedback on homework assignments "
										+ "may be<br>accessed through this interface.<br><br>"
										+ "Select a module from the list by double-clicking it.</body></html>");

		side.setLayout(new BoxLayout(side, BoxLayout.Y_AXIS));
		side.add(explanation);side.add(newuser);
		//newuser.setAlignmentX(Component.LEFT_ALIGNMENT);
		select_module.add(side, BorderLayout.LINE_END);

		//select_module.add(explanation, BorderLayout.LINE_END);
		select_module.add(Box.createRigidArea(new Dimension(0, 50)), BorderLayout.PAGE_END);
		//select_module.add(newuser, BorderLayout.AFTER_LAST_LINE);
		container.add(select_module);
	}