/**
   * Adds contact entry labels.
   *
   * @param nameLabelGridWidth the grid width of the contact entry name label
   */
  private void addLabels(int nameLabelGridWidth) {
    remove(nameLabel);
    remove(rightLabel);
    remove(displayDetailsLabel);

    if (treeNode != null && !(treeNode instanceof GroupNode))
      constraints.insets = new Insets(0, 0, V_GAP, H_GAP);
    else constraints.insets = new Insets(0, 0, 0, H_GAP);

    constraints.anchor = GridBagConstraints.WEST;
    constraints.fill = GridBagConstraints.NONE;
    constraints.gridx = 1;
    constraints.gridy = 0;
    constraints.weightx = 1f;
    constraints.weighty = 0f;
    constraints.gridheight = 1;
    constraints.gridwidth = nameLabelGridWidth;
    this.add(nameLabel, constraints);

    constraints.anchor = GridBagConstraints.NORTHEAST;
    constraints.fill = GridBagConstraints.VERTICAL;
    constraints.gridx = nameLabelGridWidth + 1;
    constraints.gridy = 0;
    constraints.gridheight = 3;
    constraints.weightx = 0f;
    constraints.weighty = 1f;
    this.add(rightLabel, constraints);

    if (treeNode != null && treeNode instanceof ContactNode) {
      constraints.anchor = GridBagConstraints.WEST;
      constraints.fill = GridBagConstraints.NONE;
      constraints.gridx = 1;
      constraints.gridy = 1;
      constraints.weightx = 1f;
      constraints.weighty = 0f;
      constraints.gridwidth = nameLabelGridWidth;
      constraints.gridheight = 1;

      this.add(displayDetailsLabel, constraints);
    } else if (treeNode != null && treeNode instanceof GroupNode) {
      constraints.anchor = GridBagConstraints.WEST;
      constraints.fill = GridBagConstraints.NONE;
      constraints.gridx = 1;
      constraints.gridy = 1;
      constraints.weightx = 1f;
      constraints.weighty = 0f;
      constraints.gridwidth = nameLabelGridWidth;
      constraints.gridheight = 1;

      this.add(displayDetailsLabel, constraints);
    }
  }
  private int addButton(SIPCommButton button, int gridX, int xBounds, boolean isLast) {
    lastAddedButton = button;

    constraints.insets = new Insets(0, 0, V_GAP, 0);
    constraints.anchor = GridBagConstraints.WEST;
    constraints.fill = GridBagConstraints.NONE;
    constraints.gridx = gridX;
    constraints.gridy = 2;
    constraints.gridwidth = 1;
    constraints.gridheight = 1;
    constraints.weightx = 0f;
    constraints.weighty = 0f;
    this.add(button, constraints);

    int yBounds =
        TOP_BORDER
            + BOTTOM_BORDER
            + 2 * V_GAP
            + ComponentUtils.getStringSize(nameLabel, nameLabel.getText()).height
            + ComponentUtils.getStringSize(displayDetailsLabel, displayDetailsLabel.getText())
                .height;

    button.setBounds(xBounds, yBounds, BUTTON_WIDTH, BUTTON_HEIGHT);

    button.setBorder(BorderFactory.createEmptyBorder(0, 0, 0, 0));

    setButtonBg(button, gridX, isLast);

    return button.getWidth();
  }
  /**
   * Initializes the display details component for the given <tt>UIContact</tt>.
   *
   * @param displayDetails the display details to show
   */
  private void initDisplayDetails(String displayDetails) {
    remove(displayDetailsLabel);
    displayDetailsLabel.setText("");

    if (displayDetails != null && displayDetails.length() > 0) {
      // Replace all occurrences of new line with slash.
      displayDetails = Html2Text.extractText(displayDetails);
      displayDetails = displayDetails.replaceAll("\n|<br>|<br/>", " / ");

      displayDetailsLabel.setText(displayDetails);
    }

    constraints.anchor = GridBagConstraints.WEST;
    constraints.fill = GridBagConstraints.NONE;
    constraints.gridx = 1;
    constraints.gridy = 1;
    constraints.weightx = 1f;
    constraints.weighty = 0f;
    constraints.gridwidth = 1;
    constraints.gridheight = 1;

    this.add(displayDetailsLabel, constraints);
  }
  /** Initializes the panel containing the node. */
  public ContactListTreeCellRenderer() {
    super(new GridBagLayout());

    loadSkin();

    this.setOpaque(true);
    this.nameLabel.setOpaque(false);

    this.displayDetailsLabel.setFont(getFont().deriveFont(9f));
    this.displayDetailsLabel.setForeground(Color.GRAY);

    this.rightLabel.setHorizontalAlignment(JLabel.RIGHT);

    // !! IMPORTANT: General insets used for all components if not
    // overwritten!
    constraints.insets = new Insets(0, 0, 0, H_GAP);

    constraints.anchor = GridBagConstraints.WEST;
    constraints.fill = GridBagConstraints.NONE;
    constraints.gridx = 0;
    constraints.gridy = 0;
    constraints.gridheight = 1;
    constraints.weightx = 0f;
    constraints.weighty = 1f;
    this.add(statusLabel, constraints);

    addLabels(1);

    callButton.addActionListener(
        new ActionListener() {
          public void actionPerformed(ActionEvent e) {
            if (treeNode != null && treeNode instanceof ContactNode) {
              call(treeNode, callButton, false, false);
            }
          }
        });

    callVideoButton.addActionListener(
        new ActionListener() {
          public void actionPerformed(ActionEvent e) {
            if (treeNode != null && treeNode instanceof ContactNode) {
              call(treeNode, callVideoButton, true, false);
            }
          }
        });

    desktopSharingButton.addActionListener(
        new ActionListener() {
          public void actionPerformed(ActionEvent e) {
            if (treeNode != null && treeNode instanceof ContactNode) {
              call(treeNode, desktopSharingButton, true, true);
            }
          }
        });

    chatButton.addActionListener(
        new ActionListener() {
          public void actionPerformed(ActionEvent e) {
            if (treeNode != null && treeNode instanceof ContactNode) {
              UIContact contactDescriptor = ((ContactNode) treeNode).getContactDescriptor();

              if (contactDescriptor.getDescriptor() instanceof MetaContact) {
                GuiActivator.getUIService()
                    .getChatWindowManager()
                    .startChat((MetaContact) contactDescriptor.getDescriptor());
              }
            }
          }
        });

    addContactButton.addActionListener(
        new ActionListener() {
          public void actionPerformed(ActionEvent e) {
            if (treeNode != null && treeNode instanceof ContactNode) {
              UIContact contactDescriptor = ((ContactNode) treeNode).getContactDescriptor();

              // The add contact function has only sense for external
              // source contacts.
              if (contactDescriptor instanceof SourceUIContact) {
                addContact((SourceUIContact) contactDescriptor);
              }
            }
          }
        });

    initButtonToolTips();
    this.setToolTipText("");
  }