/**
     * Set the fields from the ProjectionClass
     *
     * @param projClass projection class to use
     */
    private void setFieldsWithClassParams(ProjectionClass projClass) {

      // set the projection in the JComboBox
      String want = projClass.toString();
      for (int i = 0; i < projClassCB.getItemCount(); i++) {
        ProjectionClass pc = (ProjectionClass) projClassCB.getItemAt(i);
        if (pc.toString().equals(want)) {
          projClassCB.setSelectedItem((Object) pc);
          break;
        }
      }

      // set the parameter fields
      paramPanel.removeAll();
      paramPanel.setVisible(0 < projClass.paramList.size());

      List widgets = new ArrayList();
      for (int i = 0; i < projClass.paramList.size(); i++) {
        ProjectionParam pp = (ProjectionParam) projClass.paramList.get(i);
        // construct the label
        String name = pp.name;
        String text = "";
        // Create a decent looking label
        for (int cIdx = 0; cIdx < name.length(); cIdx++) {
          char c = name.charAt(cIdx);
          if (cIdx == 0) {
            c = Character.toUpperCase(c);
          } else {
            if (Character.isUpperCase(c)) {
              text += " ";
              c = Character.toLowerCase(c);
            }
          }
          text += c;
        }
        widgets.add(GuiUtils.rLabel(text + ": "));
        // text input field
        JTextField tf = new JTextField();
        pp.setTextField(tf);
        tf.setColumns(12);
        widgets.add(tf);
      }
      GuiUtils.tmpInsets = new Insets(4, 4, 4, 4);
      JPanel widgetPanel = GuiUtils.doLayout(widgets, 2, GuiUtils.WT_N, GuiUtils.WT_N);

      paramPanel.add("North", widgetPanel);
      paramPanel.add("Center", GuiUtils.filler());
    }
    /** Create the UI for this editor */
    void makeUI() {

      JPanel mainPanel = new JPanel(new BorderLayout());
      mainPanel.setBorder(new LineBorder(Color.blue));
      getContentPane().add(mainPanel, BorderLayout.CENTER);

      // the map and associated toolbar
      npEditControl = new NPController();
      mapEditPanel = npEditControl.getNavigatedPanel(); // here's where the map will be drawn
      mapEditPanel.setPreferredSize(new Dimension(250, 250));
      mapEditPanel.setSelectRegionMode(true);
      JToolBar navToolbar = mapEditPanel.getNavToolBar();
      navToolbar.setFloatable(false);
      JToolBar moveToolbar = mapEditPanel.getMoveToolBar();
      moveToolbar.setFloatable(false);
      // toolbar.remove("setReference");

      JPanel toolbar = new JPanel();
      List localMaps = maps;
      if (localMaps == null) {
        localMaps = getDefaultMaps();
      }
      JMenu mapMenu = new JMenu("Maps");
      JMenuBar menuHolder = new JMenuBar();
      menuHolder.setBorder(null);
      menuHolder.add(mapMenu);
      toolbar.add(menuHolder);
      for (int mapIdx = 0; mapIdx < localMaps.size(); mapIdx++) {
        final MapData mapData = (MapData) localMaps.get(mapIdx);
        final JCheckBoxMenuItem cbx =
            new JCheckBoxMenuItem(mapData.getDescription(), mapData.getVisible());
        if (mapData.getVisible()) {
          toggleMap(mapData, true);
        }
        mapMenu.add(cbx);
        cbx.addItemListener(
            new ItemListener() {
              public void itemStateChanged(ItemEvent event) {
                toggleMap(mapData, cbx.isSelected());
              }
            });
      }
      GuiUtils.limitMenuSize(mapMenu, "Maps ", 20);

      toolbar.add(navToolbar);
      toolbar.add(moveToolbar);

      JPanel mapSide = new JPanel();
      mapSide.setLayout(new BorderLayout());
      TitledBorder mapBorder =
          new TitledBorder(
              standardBorder, "Edit Projection", TitledBorder.ABOVE_TOP, TitledBorder.CENTER);
      mapSide.setBorder(mapBorder);
      mapSide.add(toolbar, BorderLayout.NORTH);
      mapSide.add(mapEditPanel, BorderLayout.CENTER);
      mainPanel.add(mapSide, BorderLayout.WEST);

      // the projection parameters

      // the Projection name
      JLabel nameLabel = GuiUtils.rLabel("Name: ");
      nameTF = new JTextField(20);

      // the list of Projection classes is kept in a comboBox
      typeLabel = GuiUtils.rLabel("Type: ");
      projClassCB = new JComboBox();
      // standard list of projection classes
      List classNames = getDefaultProjections();
      for (int i = 0; i < classNames.size(); i++) {
        String className = (String) classNames.get(i);
        try {
          projClassCB.addItem(new ProjectionClass(className));
        } catch (ClassNotFoundException ee) {
          System.err.println("ProjectionManager failed on " + className + " " + ee);
        } catch (IntrospectionException ee) {
          System.err.println("ProjectionManager failed on " + className + " " + ee);
        }
      }
      GuiUtils.tmpInsets = new Insets(4, 4, 4, 4);
      JPanel topPanel =
          GuiUtils.doLayout(
              new Component[] {nameLabel, nameTF, typeLabel, projClassCB},
              2,
              GuiUtils.WT_N,
              GuiUtils.WT_N);

      // the Projection parameter area
      paramPanel = new JPanel();
      paramPanel.setLayout(new BorderLayout());
      paramPanel.setBorder(
          new TitledBorder(
              standardBorder,
              "Projection Parameters",
              TitledBorder.ABOVE_TOP,
              TitledBorder.CENTER));

      // the bottom button panel
      JPanel buttPanel = new JPanel();
      JButton acceptButton = new JButton("Save");
      JButton previewButton = new JButton("Preview");
      JButton cancelButton = new JButton("Cancel");
      buttPanel.add(acceptButton, null);
      buttPanel.add(previewButton, null);
      buttPanel.add(cancelButton, null);

      JPanel mainBox = GuiUtils.topCenterBottom(topPanel, paramPanel, buttPanel);
      mainPanel.add(mainBox, BorderLayout.CENTER);
      pack();

      // enable event listeners when we're done constructing the UI
      projClassCB.addActionListener(
          new ActionListener() {
            public void actionPerformed(ActionEvent e) {
              ProjectionClass selectClass = (ProjectionClass) projClassCB.getSelectedItem();
              setProjection(selectClass.makeDefaultProjection());
            }
          });

      acceptButton.addActionListener(
          new ActionListener() {
            public void actionPerformed(ActionEvent evt) {
              accept();
            }
          });
      previewButton.addActionListener(
          new ActionListener() {
            public void actionPerformed(ActionEvent evt) {
              ProjectionClass projClass = findProjectionClass(editProjection);
              if (null != projClass) {
                setProjFromDialog(projClass, editProjection);
                setProjection(editProjection);
              }
            }
          });
      cancelButton.addActionListener(
          new ActionListener() {
            public void actionPerformed(ActionEvent evt) {
              NewProjectionDialog.this.setVisible(false);
            }
          });
    }