/**
   * Does Nothing
   *
   * @param selected, true to enable, false to disable.
   */
  public void setNodeOrLinkSelected(boolean selected) {
    if (tbrToolBar != null) {

      UIViewFrame frame = ProjectCompendium.APP.getCurrentFrame();
      if (selected && frame instanceof UIMapViewFrame) {
        UIMapViewFrame oMapFrame = (UIMapViewFrame) frame;
        UIViewPane pane = oMapFrame.getViewPane();

        int nLinkCount = pane.getNumberOfSelectedLinks();
        if (nLinkCount == 0) return;

        bJustSetting = true;

        int i = 0;
        UILink link = null;
        LinkProperties linkProps = null;
        boolean bDefaultLinkStyle = false;
        boolean bDefaultLinkDashed = false;
        boolean bDefaultLinkWeight = false;
        boolean bDefaultLinkColour = false;
        boolean bDefaultArrowType = false;

        LinkProperties defaultprops = UIUtilities.getLinkProperties("");
        int linkstyle = defaultprops.getLinkStyle();
        int linkdashed = defaultprops.getLinkDashed();
        int linkweight = defaultprops.getLinkWeight();
        int linkcolour = defaultprops.getLinkColour();
        int arrowtype = defaultprops.getArrowType();

        for (Enumeration e = pane.getSelectedLinks(); e.hasMoreElements(); ) {
          link = (UILink) e.nextElement();
          linkProps = link.getLinkProperties();
          if (i == 0) {
            linkstyle = linkProps.getLinkStyle();
            linkdashed = linkProps.getLinkDashed();
            linkweight = linkProps.getLinkWeight();
            linkcolour = linkProps.getLinkColour();
            arrowtype = linkProps.getArrowType();
            i++;
          } else {
            if (arrowtype != linkProps.getArrowType()) {
              bDefaultArrowType = true;
            }
            if (linkstyle != linkProps.getLinkStyle()) {
              bDefaultLinkStyle = true;
            }
            if (linkdashed != linkProps.getLinkDashed()) {
              bDefaultLinkDashed = true;
            }
            if (linkweight != linkProps.getLinkWeight()) {
              bDefaultLinkWeight = true;
            }
            if (linkcolour != linkProps.getLinkColour()) {
              bDefaultLinkColour = true;
            }
          }
        }

        tbrToolBar.setEnabled(true);

        if (bDefaultLinkColour) {
          selectedLinkColour = new Color(defaultprops.getLinkColour());
        } else {
          selectedLinkColour = new Color(linkcolour);
        }

        linkColourPanel.setEnabled(true);
        txtLinkColour.setEnabled(true);

        cbLineWeight.setEnabled(true);
        if (bDefaultLinkWeight) {
          cbLineWeight.setSelectedIndex(defaultprops.getLinkWeight() - 1);
        } else {
          cbLineWeight.setSelectedIndex(linkweight - 1);
        }

        cbArrows.setEnabled(true);
        if (bDefaultArrowType) {
          cbArrows.setSelectedIndex(defaultprops.getArrowType());
        } else {
          cbArrows.setSelectedIndex(arrowtype);
        }

        cbLinkStyle.setEnabled(true);
        if (bDefaultLinkStyle) {
          cbLinkStyle.setSelectedIndex(defaultprops.getLinkStyle());
        } else {
          cbLinkStyle.setSelectedIndex(linkstyle);
        }

        cbLinkDashed.setEnabled(true);
        if (bDefaultLinkDashed) {
          cbLinkDashed.setSelectedIndex(defaultprops.getLinkDashed());
        } else {
          cbLinkDashed.setSelectedIndex(linkdashed);
        }

        bJustSetting = false;

      } else if (!selected) {

        bJustSetting = true;

        linkColourPanel.setEnabled(false);
        txtLinkColour.setEnabled(false);
        tbrToolBar.setEnabled(false);
        cbArrows.setEnabled(false);
        cbLineWeight.setEnabled(false);
        cbLinkStyle.setEnabled(false);
        cbLinkDashed.setEnabled(false);

        bJustSetting = false;
      }
    }
  }
  /**
   * Create a choicbox for link line thickness options and return the panel it is in.
   *
   * @return JPanel the panel holding the new choicebox for the line thickness options.
   */
  private JPanel createWeightChoiceBox() {

    JPanel drawPanel = new JPanel(new BorderLayout());
    CSH.setHelpIDString(drawPanel, "toolbars.formatlink"); // $NON-NLS-1$

    cbLineWeight = new JComboBox();
    cbLineWeight.setToolTipText(
        LanguageProperties.getString(
            LanguageProperties.TOOLBARS_BUNDLE, "UIToolBarFormatLink.selectWeight")); // $NON-NLS-1$
    cbLineWeight.setOpaque(true);
    cbLineWeight.setEditable(false);
    cbLineWeight.setEnabled(false);
    cbLineWeight.setMaximumRowCount(10);
    cbLineWeight.setFont(new Font("Dialog", Font.PLAIN, 10)); // $NON-NLS-1$

    cbLineWeight.addItem(new String("1 px")); // $NON-NLS-1$
    cbLineWeight.addItem(new String("2 px")); // $NON-NLS-1$
    cbLineWeight.addItem(new String("3 px")); // $NON-NLS-1$
    cbLineWeight.addItem(new String("4 px")); // $NON-NLS-1$
    cbLineWeight.addItem(new String("5 px")); // $NON-NLS-1$
    cbLineWeight.addItem(new String("6 px")); // $NON-NLS-1$
    cbLineWeight.addItem(new String("7 px")); // $NON-NLS-1$
    cbLineWeight.addItem(new String("8 px")); // $NON-NLS-1$
    cbLineWeight.addItem(new String("9 px")); // $NON-NLS-1$
    cbLineWeight.addItem(new String("10 px")); // $NON-NLS-1$

    cbLineWeight.validate();

    cbLineWeight.setSelectedIndex(0);

    DefaultListCellRenderer drawRenderer =
        new DefaultListCellRenderer() {
          public Component getListCellRendererComponent(
              JList list, Object value, int modelIndex, boolean isSelected, boolean cellHasFocus) {
            if (list != null) {
              if (isSelected) {
                setBackground(list.getSelectionBackground());
                setForeground(list.getSelectionForeground());
              } else {
                setBackground(list.getBackground());
                setForeground(list.getForeground());
              }
            }

            setText((String) value);
            return this;
          }
        };

    cbLineWeight.setRenderer(drawRenderer);

    ActionListener drawActionListener =
        new ActionListener() {
          public void actionPerformed(ActionEvent e) {
            int ind = cbLineWeight.getSelectedIndex();

            if (ind == 0) onUpdateLinkWeight(1);
            else if (ind == 1) onUpdateLinkWeight(2);
            else if (ind == 2) onUpdateLinkWeight(3);
            else if (ind == 3) onUpdateLinkWeight(4);
            else if (ind == 4) onUpdateLinkWeight(5);
            else if (ind == 5) onUpdateLinkWeight(6);
            else if (ind == 6) onUpdateLinkWeight(7);
            else if (ind == 7) onUpdateLinkWeight(8);
            else if (ind == 8) onUpdateLinkWeight(9);
            else if (ind == 9) onUpdateLinkWeight(10);
          }
        };
    cbLineWeight.addActionListener(drawActionListener);

    drawPanel.add(new JLabel(" "), BorderLayout.WEST); // $NON-NLS-1$
    drawPanel.add(cbLineWeight, BorderLayout.CENTER);
    return drawPanel;
  }
  /**
   * Create a choicebox for link line style options and return the panel it is in.
   *
   * @return JPanel the panel holding the new choicebox for the link style options.
   */
  private JPanel createLinkDashedChoiceBox() {

    JPanel drawPanel = new JPanel(new BorderLayout());
    CSH.setHelpIDString(drawPanel, "toolbars.formatlink"); // $NON-NLS-1$

    cbLinkDashed = new JComboBox();
    cbLinkDashed.setToolTipText(
        LanguageProperties.getString(
            LanguageProperties.TOOLBARS_BUNDLE, "UIToolBarFormatLink.selectDashed")); // $NON-NLS-1$
    cbLinkDashed.setOpaque(true);
    cbLinkDashed.setEditable(false);
    cbLinkDashed.setEnabled(false);
    cbLinkDashed.setMaximumRowCount(10);
    cbLinkDashed.setFont(new Font("Dialog", Font.PLAIN, 10)); // $NON-NLS-1$

    cbLinkDashed.addItem(
        new String(
            LanguageProperties.getString(
                LanguageProperties.TOOLBARS_BUNDLE,
                "UIToolBarFormatLink.plainLine"))); //$NON-NLS-1$
    cbLinkDashed.addItem(
        new String(
            LanguageProperties.getString(
                LanguageProperties.TOOLBARS_BUNDLE,
                "UIToolBarFormatLink.largeDashes"))); //$NON-NLS-1$
    cbLinkDashed.addItem(
        new String(
            LanguageProperties.getString(
                LanguageProperties.TOOLBARS_BUNDLE,
                "UIToolBarFormatLink.smallDashes"))); //$NON-NLS-1$

    cbLinkDashed.validate();

    cbLinkDashed.setSelectedIndex(0);

    DefaultListCellRenderer drawRenderer =
        new DefaultListCellRenderer() {
          public Component getListCellRendererComponent(
              JList list, Object value, int modelIndex, boolean isSelected, boolean cellHasFocus) {
            if (list != null) {
              if (isSelected) {
                setBackground(list.getSelectionBackground());
                setForeground(list.getSelectionForeground());
              } else {
                setBackground(list.getBackground());
                setForeground(list.getForeground());
              }
            }

            setText((String) value);
            return this;
          }
        };

    cbLinkDashed.setRenderer(drawRenderer);

    ActionListener drawActionListener =
        new ActionListener() {
          public void actionPerformed(ActionEvent e) {
            onUpdateLinkDashed(cbLinkDashed.getSelectedIndex());
          }
        };
    cbLinkDashed.addActionListener(drawActionListener);

    drawPanel.add(new JLabel(" "), BorderLayout.WEST); // $NON-NLS-1$
    drawPanel.add(cbLinkDashed, BorderLayout.CENTER);
    return drawPanel;
  }
  /** Create the arrow head choicebox. */
  private JPanel createArrowChoiceBox() {

    JPanel drawPanel = new JPanel(new BorderLayout());
    CSH.setHelpIDString(drawPanel, "toolbars.formatlink"); // $NON-NLS-1$

    cbArrows = new JComboBox();
    cbArrows.setToolTipText(
        LanguageProperties.getString(
            LanguageProperties.TOOLBARS_BUNDLE, "UIToolBarFormatLink.selectArrow")); // $NON-NLS-1$
    cbArrows.setOpaque(true);
    cbArrows.setEditable(false);
    cbArrows.setEnabled(false);
    cbArrows.setMaximumRowCount(4);
    cbArrows.setFont(new Font("Dialog", Font.PLAIN, 10)); // $NON-NLS-1$

    Vector arrows = new Vector(5);
    arrows.insertElementAt(
        LanguageProperties.getString(
            LanguageProperties.DIALOGS_BUNDLE, "UILinkEditDialog.noArrows"),
        0); //$NON-NLS-1$
    arrows.insertElementAt(
        LanguageProperties.getString(LanguageProperties.DIALOGS_BUNDLE, "UILinkEditDialog.fromTo"),
        1); //$NON-NLS-1$
    arrows.insertElementAt(
        LanguageProperties.getString(LanguageProperties.DIALOGS_BUNDLE, "UILinkEditDialog.toFfrom"),
        2); //$NON-NLS-1$
    arrows.insertElementAt(
        LanguageProperties.getString(
            LanguageProperties.DIALOGS_BUNDLE, "UILinkEditDialog.bothWays"),
        3); //$NON-NLS-1$
    DefaultComboBoxModel comboModel = new DefaultComboBoxModel(arrows);
    cbArrows.setModel(comboModel);
    cbArrows.setSelectedIndex(0);

    DefaultListCellRenderer comboRenderer =
        new DefaultListCellRenderer() {
          public Component getListCellRendererComponent(
              JList list, Object value, int modelIndex, boolean isSelected, boolean cellHasFocus) {
            if (isSelected) {
              setBackground(list.getSelectionBackground());
              setForeground(list.getSelectionForeground());
            } else {
              setBackground(list.getBackground());
              setForeground(list.getForeground());
            }

            setText((String) value);

            return this;
          }
        };
    cbArrows.setRenderer(comboRenderer);

    cbArrows.addActionListener(
        new ActionListener() {
          public void actionPerformed(ActionEvent e) {
            onUpdateArrowType(cbArrows.getSelectedIndex());
          }
        });

    drawPanel.add(new JLabel(" "), BorderLayout.WEST); // $NON-NLS-1$
    drawPanel.add(cbArrows, BorderLayout.CENTER);
    return drawPanel;
  }