private boolean saveAs() {

    FileDialog saveDialog = new FileDialog(shell, SWT.SAVE);
    saveDialog.setFilterExtensions(new String[] {"*.adr;", "*.*"});
    saveDialog.setFilterNames(new String[] {"Address Books (*.adr)", "All Files "});

    saveDialog.open();
    String name = saveDialog.getFileName();

    if (name.equals("")) return false;

    if (name.indexOf(".adr") != name.length() - 4) {
      name += ".adr";
    }

    File file = new File(saveDialog.getFilterPath(), name);
    if (file.exists()) {
      MessageBox box = new MessageBox(shell, SWT.ICON_WARNING | SWT.YES | SWT.NO);
      box.setText(resAddressBook.getString("Save_as_title"));
      box.setMessage(
          resAddressBook.getString("File")
              + file.getName()
              + " "
              + resAddressBook.getString("Query_overwrite"));
      if (box.open() != SWT.YES) {
        return false;
      }
    }
    this.file = file;
    return save();
  }
  private void openAddressBook() {
    FileDialog fileDialog = new FileDialog(shell, SWT.OPEN);

    fileDialog.setFilterExtensions(new String[] {"*.messages;", "*.*"});
    fileDialog.setFilterNames(
        new String[] {
          resMessages.getString("Book_filter_name") + " (*.messages)",
          resMessages.getString("All_filter_name") + " (*.*)"
        });
    String name = fileDialog.open();
    openAddressBook(name);
  }
  private void openAddressBook() {
    FileDialog fileDialog = new FileDialog(shell, SWT.OPEN);

    fileDialog.setFilterExtensions(new String[] {"*.adr;", "*.*"});
    fileDialog.setFilterNames(
        new String[] {
          resAddressBook.getString("Book_filter_name") + " (*.adr)",
          resAddressBook.getString("All_filter_name") + " (*.*)"
        });
    String name = fileDialog.open();

    if (name == null) return;
    File file = new File(name);
    if (!file.exists()) {
      displayError(
          resAddressBook.getString("File")
              + file.getName()
              + " "
              + resAddressBook.getString("Does_not_exist"));
      return;
    }

    Cursor waitCursor = shell.getDisplay().getSystemCursor(SWT.CURSOR_WAIT);
    shell.setCursor(waitCursor);

    FileReader fileReader = null;
    BufferedReader bufferedReader = null;
    String[] data = new String[0];
    try {
      fileReader = new FileReader(file.getAbsolutePath());
      bufferedReader = new BufferedReader(fileReader);
      String nextLine = bufferedReader.readLine();
      while (nextLine != null) {
        String[] newData = new String[data.length + 1];
        System.arraycopy(data, 0, newData, 0, data.length);
        newData[data.length] = nextLine;
        data = newData;
        nextLine = bufferedReader.readLine();
      }
    } catch (FileNotFoundException e) {
      displayError(resAddressBook.getString("File_not_found") + "\n" + file.getName());
      return;
    } catch (IOException e) {
      displayError(resAddressBook.getString("IO_error_read") + "\n" + file.getName());
      return;
    } finally {

      shell.setCursor(null);

      if (fileReader != null) {
        try {
          fileReader.close();
        } catch (IOException e) {
          displayError(resAddressBook.getString("IO_error_close") + "\n" + file.getName());
          return;
        }
      }
    }

    String[][] tableInfo = new String[data.length][table.getColumnCount()];
    int writeIndex = 0;
    for (int i = 0; i < data.length; i++) {
      String[] line = decodeLine(data[i]);
      if (line != null) tableInfo[writeIndex++] = line;
    }
    if (writeIndex != data.length) {
      String[][] result = new String[writeIndex][table.getColumnCount()];
      System.arraycopy(tableInfo, 0, result, 0, writeIndex);
      tableInfo = result;
    }
    Arrays.sort(tableInfo, new RowComparator(0));

    for (int i = 0; i < tableInfo.length; i++) {
      TableItem item = new TableItem(table, SWT.NONE);
      item.setText(tableInfo[i]);
    }
    shell.setText(resAddressBook.getString("Title_bar") + fileDialog.getFileName());
    isModified = false;
    this.file = file;
  }
  /**
   * Handle the create button selection event.
   *
   * @param event org.eclipse.swt.events.SelectionEvent
   */
  void createButtonSelected(SelectionEvent event) {

    /* Compute the appropriate dialog style */
    int style = getDefaultStyle();
    if (okButton.getEnabled() && okButton.getSelection()) style |= SWT.OK;
    if (cancelButton.getEnabled() && cancelButton.getSelection()) style |= SWT.CANCEL;
    if (yesButton.getEnabled() && yesButton.getSelection()) style |= SWT.YES;
    if (noButton.getEnabled() && noButton.getSelection()) style |= SWT.NO;
    if (retryButton.getEnabled() && retryButton.getSelection()) style |= SWT.RETRY;
    if (abortButton.getEnabled() && abortButton.getSelection()) style |= SWT.ABORT;
    if (ignoreButton.getEnabled() && ignoreButton.getSelection()) style |= SWT.IGNORE;
    if (iconErrorButton.getEnabled() && iconErrorButton.getSelection()) style |= SWT.ICON_ERROR;
    if (iconInformationButton.getEnabled() && iconInformationButton.getSelection())
      style |= SWT.ICON_INFORMATION;
    if (iconQuestionButton.getEnabled() && iconQuestionButton.getSelection())
      style |= SWT.ICON_QUESTION;
    if (iconWarningButton.getEnabled() && iconWarningButton.getSelection())
      style |= SWT.ICON_WARNING;
    if (iconWorkingButton.getEnabled() && iconWorkingButton.getSelection())
      style |= SWT.ICON_WORKING;
    if (primaryModalButton.getEnabled() && primaryModalButton.getSelection())
      style |= SWT.PRIMARY_MODAL;
    if (applicationModalButton.getEnabled() && applicationModalButton.getSelection())
      style |= SWT.APPLICATION_MODAL;
    if (systemModalButton.getEnabled() && systemModalButton.getSelection())
      style |= SWT.SYSTEM_MODAL;
    if (saveButton.getEnabled() && saveButton.getSelection()) style |= SWT.SAVE;
    if (openButton.getEnabled() && openButton.getSelection()) style |= SWT.OPEN;
    if (multiButton.getEnabled() && multiButton.getSelection()) style |= SWT.MULTI;

    /* Open the appropriate dialog type */
    String name = dialogCombo.getText();

    if (name.equals(ControlExample.getResourceString("ColorDialog"))) {
      ColorDialog dialog = new ColorDialog(shell, style);
      dialog.setRGB(new RGB(100, 100, 100));
      dialog.setText(ControlExample.getResourceString("Title"));
      RGB result = dialog.open();
      textWidget.append(ControlExample.getResourceString("ColorDialog") + Text.DELIMITER);
      textWidget.append(
          ControlExample.getResourceString("Result", new String[] {"" + result}) + Text.DELIMITER);
      textWidget.append("getRGB() = " + dialog.getRGB() + Text.DELIMITER + Text.DELIMITER);
      return;
    }

    if (name.equals(ControlExample.getResourceString("DirectoryDialog"))) {
      DirectoryDialog dialog = new DirectoryDialog(shell, style);
      dialog.setMessage(ControlExample.getResourceString("Example_string"));
      dialog.setText(ControlExample.getResourceString("Title"));
      String result = dialog.open();
      textWidget.append(ControlExample.getResourceString("DirectoryDialog") + Text.DELIMITER);
      textWidget.append(
          ControlExample.getResourceString("Result", new String[] {"" + result})
              + Text.DELIMITER
              + Text.DELIMITER);
      return;
    }

    if (name.equals(ControlExample.getResourceString("FileDialog"))) {
      FileDialog dialog = new FileDialog(shell, style);
      dialog.setFileName(ControlExample.getResourceString("readme_txt"));
      dialog.setFilterNames(FilterNames);
      dialog.setFilterExtensions(FilterExtensions);
      dialog.setText(ControlExample.getResourceString("Title"));
      String result = dialog.open();
      textWidget.append(ControlExample.getResourceString("FileDialog") + Text.DELIMITER);
      textWidget.append(
          ControlExample.getResourceString("Result", new String[] {"" + result}) + Text.DELIMITER);
      textWidget.append("getFileNames() =" + Text.DELIMITER);
      if ((dialog.getStyle() & SWT.MULTI) != 0) {
        String[] files = dialog.getFileNames();
        for (int i = 0; i < files.length; i++) {
          textWidget.append("\t" + files[i] + Text.DELIMITER);
        }
      }
      textWidget.append(
          "getFilterIndex() = " + dialog.getFilterIndex() + Text.DELIMITER + Text.DELIMITER);
      return;
    }

    if (name.equals(ControlExample.getResourceString("FontDialog"))) {
      FontDialog dialog = new FontDialog(shell, style);
      dialog.setText(ControlExample.getResourceString("Title"));
      FontData result = dialog.open();
      textWidget.append(ControlExample.getResourceString("FontDialog") + Text.DELIMITER);
      textWidget.append(
          ControlExample.getResourceString("Result", new String[] {"" + result}) + Text.DELIMITER);
      textWidget.append("getFontList() =" + Text.DELIMITER);
      FontData[] fonts = dialog.getFontList();
      if (fonts != null) {
        for (int i = 0; i < fonts.length; i++) {
          textWidget.append("\t" + fonts[i] + Text.DELIMITER);
        }
      }
      textWidget.append("getRGB() = " + dialog.getRGB() + Text.DELIMITER + Text.DELIMITER);
      return;
    }

    if (name.equals(ControlExample.getResourceString("PrintDialog"))) {
      PrintDialog dialog = new PrintDialog(shell, style);
      dialog.setText(ControlExample.getResourceString("Title"));
      PrinterData result = dialog.open();
      textWidget.append(ControlExample.getResourceString("PrintDialog") + Text.DELIMITER);
      textWidget.append(
          ControlExample.getResourceString("Result", new String[] {"" + result}) + Text.DELIMITER);
      textWidget.append("getScope() = " + dialog.getScope() + Text.DELIMITER);
      textWidget.append("getStartPage() = " + dialog.getStartPage() + Text.DELIMITER);
      textWidget.append("getEndPage() = " + dialog.getEndPage() + Text.DELIMITER);
      textWidget.append(
          "getPrintToFile() = " + dialog.getPrintToFile() + Text.DELIMITER + Text.DELIMITER);
      return;
    }

    if (name.equals(ControlExample.getResourceString("MessageBox"))) {
      MessageBox dialog = new MessageBox(shell, style);
      dialog.setMessage(ControlExample.getResourceString("Example_string"));
      dialog.setText(ControlExample.getResourceString("Title"));
      int result = dialog.open();
      textWidget.append(ControlExample.getResourceString("MessageBox") + Text.DELIMITER);
      /*
       * The resulting integer depends on the original
       * dialog style.  Decode the result and display it.
       */
      switch (result) {
        case SWT.OK:
          textWidget.append(ControlExample.getResourceString("Result", new String[] {"SWT.OK"}));
          break;
        case SWT.YES:
          textWidget.append(ControlExample.getResourceString("Result", new String[] {"SWT.YES"}));
          break;
        case SWT.NO:
          textWidget.append(ControlExample.getResourceString("Result", new String[] {"SWT.NO"}));
          break;
        case SWT.CANCEL:
          textWidget.append(
              ControlExample.getResourceString("Result", new String[] {"SWT.CANCEL"}));
          break;
        case SWT.ABORT:
          textWidget.append(ControlExample.getResourceString("Result", new String[] {"SWT.ABORT"}));
          break;
        case SWT.RETRY:
          textWidget.append(ControlExample.getResourceString("Result", new String[] {"SWT.RETRY"}));
          break;
        case SWT.IGNORE:
          textWidget.append(
              ControlExample.getResourceString("Result", new String[] {"SWT.IGNORE"}));
          break;
        default:
          textWidget.append(ControlExample.getResourceString("Result", new String[] {"" + result}));
          break;
      }
      textWidget.append(Text.DELIMITER + Text.DELIMITER);
    }
  }