private void iniciarMenuWEST() {

		JPanel panel = new JPanel();
		panel.setBackground(SystemColor.text);

		String projeto = "Projeto";
		String ator = "Ator";
		String casoDeUso = "Caso de Uso";

		DefaultMutableTreeNode treeNode = new DefaultMutableTreeNode(projeto);
		treeNode.add(new DefaultMutableTreeNode(ator));
		treeNode.add(new DefaultMutableTreeNode(casoDeUso));

		DefaultTreeModel treeModel = new DefaultTreeModel(treeNode);

		JTree tree = new JTree(treeModel);

		getContentPane().add(panel, BorderLayout.WEST);

		JLabel lblEditar = new JLabel("Editar");
		lblEditar.setFont(new Font("Tahoma", Font.PLAIN, 16));

		JLabel lblNome = new JLabel("Nome");

		textField = new JTextField();
		textField.setColumns(10);

		JButton btnOk = new JButton("OK");

		JButton btnCancelar = new JButton("Cancelar");
		GroupLayout groupLayoutPanel = new GroupLayout(panel);
		groupLayoutPanel.setHorizontalGroup(groupLayoutPanel
				.createParallelGroup(Alignment.LEADING)
				.addGroup(
						groupLayoutPanel.createSequentialGroup()
								.addContainerGap()
								.addGroup(
										groupLayoutPanel.createParallelGroup(
												Alignment.LEADING)
												.addComponent(
														tree,
														GroupLayout.PREFERRED_SIZE,
														GroupLayout.DEFAULT_SIZE,
														GroupLayout.PREFERRED_SIZE)
												.addGroup(
														groupLayoutPanel.createSequentialGroup()
																.addComponent(
																		btnOk)
																.addPreferredGap(
																		ComponentPlacement.RELATED)
																.addComponent(
																		btnCancelar))
												.addGroup(
														groupLayoutPanel.createSequentialGroup()
																.addComponent(
																		lblNome)
																.addPreferredGap(
																		ComponentPlacement.RELATED)
																.addComponent(
																		textField,
																		GroupLayout.DEFAULT_SIZE,
																		97,
																		Short.MAX_VALUE))
												.addComponent(lblEditar))
								.addContainerGap()));
		groupLayoutPanel.setVerticalGroup(groupLayoutPanel
				.createParallelGroup(Alignment.TRAILING)
				.addGroup(
						groupLayoutPanel.createSequentialGroup()
								.addContainerGap()
								.addComponent(tree, GroupLayout.PREFERRED_SIZE,
										GroupLayout.DEFAULT_SIZE,
										GroupLayout.PREFERRED_SIZE)
								.addPreferredGap(ComponentPlacement.RELATED,
										549, Short.MAX_VALUE)
								.addComponent(lblEditar)
								.addPreferredGap(ComponentPlacement.RELATED)
								.addGroup(
										groupLayoutPanel.createParallelGroup(
												Alignment.BASELINE)
												.addComponent(lblNome)
												.addComponent(
														textField,
														GroupLayout.PREFERRED_SIZE,
														GroupLayout.DEFAULT_SIZE,
														GroupLayout.PREFERRED_SIZE))
								.addPreferredGap(ComponentPlacement.UNRELATED)
								.addGroup(
										groupLayoutPanel.createParallelGroup(
												Alignment.BASELINE)
												.addComponent(btnOk)
												.addComponent(btnCancelar))
								.addGap(52)));
		panel.setLayout(groupLayoutPanel);

	}