public void createControl(Composite parent) {

    Composite pageContent = new Composite(parent, SWT.NONE);
    GridLayout layout = new GridLayout();
    layout.numColumns = 3;
    pageContent.setLayout(layout);
    pageContent.setLayoutData(new GridData(GridData.FILL_BOTH));

    // variable never used ... is pageContent.getLayoutData() needed?
    // GridData outerFrameGridData = (GridData)
    pageContent.getLayoutData();

    //		outerFrameGridData.horizontalAlignment = GridData.HORIZONTAL_ALIGN_FILL;
    //		outerFrameGridData.verticalAlignment = GridData.VERTICAL_ALIGN_FILL;

    //    WorkbenchHelp.setHelp(
    //        pageContent,
    //        B2BGUIContextIds.BTBG_SELECT_MULTI_FILE_PAGE);

    createLabels(pageContent);
    createSourceViewer(pageContent);
    createButtonPanel(pageContent);
    createSelectedListBox(pageContent);
    createImportButton(pageContent);

    setControl(pageContent);
    if (isFileMandatory) setPageComplete(false);
  }
  private void createButtonPanel(Composite pageContent) {
    Composite buttonPanel = new Composite(pageContent, SWT.NONE);
    GridLayout layout = new GridLayout();
    layout.numColumns = 1;
    buttonPanel.setLayout(layout);

    GridData gridData = new GridData();
    gridData.grabExcessHorizontalSpace = false;
    gridData.grabExcessVerticalSpace = true;
    gridData.verticalAlignment = GridData.CENTER;
    gridData.horizontalAlignment = GridData.CENTER;
    buttonPanel.setLayoutData(gridData);

    addButton = new Button(buttonPanel, SWT.PUSH);
    addButton.setText(Messages._UI_ADD_BUTTON);
    gridData = new GridData();
    gridData.horizontalAlignment = GridData.FILL;
    gridData.verticalAlignment = GridData.CENTER;
    addButton.setLayoutData(gridData);
    addButton.addSelectionListener(new ButtonSelectListener());
    addButton.setToolTipText(Messages._UI_ADD_BUTTON_TOOL_TIP);
    addButton.setEnabled(false);

    removeButton = new Button(buttonPanel, SWT.PUSH);
    removeButton.setText(Messages._UI_REMOVE_BUTTON);
    gridData = new GridData();
    gridData.horizontalAlignment = GridData.FILL;
    gridData.verticalAlignment = GridData.CENTER;
    removeButton.setLayoutData(gridData);
    removeButton.addSelectionListener(new ButtonSelectListener());
    removeButton.setToolTipText(Messages._UI_REMOVE_BUTTON_TOOL_TIP);
    removeButton.setEnabled(false);

    removeAllButton = new Button(buttonPanel, SWT.PUSH);
    removeAllButton.setText(Messages._UI_REMOVE_ALL_BUTTON);
    gridData = new GridData();
    gridData.horizontalAlignment = GridData.FILL;
    gridData.verticalAlignment = GridData.CENTER;
    removeAllButton.setLayoutData(gridData);
    removeAllButton.addSelectionListener(new ButtonSelectListener());
    removeAllButton.setToolTipText(Messages._UI_REMOVE_ALL_BUTTON_TOOL_TIP);
    removeAllButton.setEnabled(false);
  }
    protected authDialog(
        AESemaphore _sem,
        Display display,
        String realm,
        boolean is_tracker,
        String target,
        String details) {
      sem = _sem;

      if (display.isDisposed()) {

        sem.releaseForever();

        return;
      }

      final String ignore_key = "IgnoreAuth:" + realm + ":" + target + ":" + details;

      if (RememberedDecisionsManager.getRememberedDecision(ignore_key) == 1) {

        Debug.out(
            "Authentication for "
                + realm
                + "/"
                + target
                + "/"
                + details
                + " ignored as told not to ask again");

        sem.releaseForever();

        return;
      }

      shell = ShellFactory.createMainShell(SWT.DIALOG_TRIM | SWT.APPLICATION_MODAL);

      Utils.setShellIcon(shell);
      Messages.setLanguageText(shell, "authenticator.title");

      GridLayout layout = new GridLayout();
      layout.numColumns = 3;

      shell.setLayout(layout);

      GridData gridData;

      // realm

      Label realm_label = new Label(shell, SWT.NULL);
      Messages.setLanguageText(realm_label, "authenticator.realm");
      gridData = new GridData(GridData.FILL_BOTH);
      gridData.horizontalSpan = 1;
      realm_label.setLayoutData(gridData);

      Label realm_value = new Label(shell, SWT.NULL);
      realm_value.setText(realm.replaceAll("&", "&&"));
      gridData = new GridData(GridData.FILL_BOTH);
      gridData.horizontalSpan = 2;
      realm_value.setLayoutData(gridData);

      // target

      Label target_label = new Label(shell, SWT.NULL);
      Messages.setLanguageText(
          target_label, is_tracker ? "authenticator.tracker" : "authenticator.location");
      gridData = new GridData(GridData.FILL_BOTH);
      gridData.horizontalSpan = 1;
      target_label.setLayoutData(gridData);

      Label target_value = new Label(shell, SWT.NULL);
      target_value.setText(target.replaceAll("&", "&&"));
      gridData = new GridData(GridData.FILL_BOTH);
      gridData.horizontalSpan = 2;
      target_value.setLayoutData(gridData);

      if (details != null) {

        Label details_label = new Label(shell, SWT.NULL);
        Messages.setLanguageText(
            details_label, is_tracker ? "authenticator.torrent" : "authenticator.details");
        gridData = new GridData(GridData.FILL_BOTH);
        gridData.horizontalSpan = 1;
        details_label.setLayoutData(gridData);

        Label details_value = new Label(shell, SWT.NULL);
        details_value.setText(details.replaceAll("&", "&&"));
        gridData = new GridData(GridData.FILL_BOTH);
        gridData.horizontalSpan = 2;
        details_value.setLayoutData(gridData);
      }
      // user

      Label user_label = new Label(shell, SWT.NULL);
      Messages.setLanguageText(user_label, "authenticator.user");
      gridData = new GridData(GridData.FILL_BOTH);
      gridData.horizontalSpan = 1;
      user_label.setLayoutData(gridData);

      final Text user_value = new Text(shell, SWT.BORDER);
      user_value.setText("");
      gridData = new GridData(GridData.FILL_BOTH);
      gridData.horizontalSpan = 2;
      user_value.setLayoutData(gridData);

      user_value.addListener(
          SWT.Modify,
          new Listener() {
            public void handleEvent(Event event) {
              username = user_value.getText();
            }
          });

      // password

      Label password_label = new Label(shell, SWT.NULL);
      Messages.setLanguageText(password_label, "authenticator.password");
      gridData = new GridData(GridData.FILL_BOTH);
      gridData.horizontalSpan = 1;
      password_label.setLayoutData(gridData);

      final Text password_value = new Text(shell, SWT.BORDER);
      password_value.setEchoChar('*');
      password_value.setText("");
      gridData = new GridData(GridData.FILL_BOTH);
      gridData.horizontalSpan = 2;
      password_value.setLayoutData(gridData);

      password_value.addListener(
          SWT.Modify,
          new Listener() {
            public void handleEvent(Event event) {
              password = password_value.getText();
            }
          });

      // persist

      Label blank_label = new Label(shell, SWT.NULL);
      gridData = new GridData(GridData.FILL_BOTH);
      gridData.horizontalSpan = 1;
      blank_label.setLayoutData(gridData);

      final Button checkBox = new Button(shell, SWT.CHECK);
      checkBox.setText(MessageText.getString("authenticator.savepassword"));
      gridData = new GridData(GridData.FILL_BOTH);
      gridData.horizontalSpan = 1;
      checkBox.setLayoutData(gridData);
      checkBox.addListener(
          SWT.Selection,
          new Listener() {
            public void handleEvent(Event e) {
              persist = checkBox.getSelection();
            }
          });

      final Button dontAsk = new Button(shell, SWT.CHECK);
      dontAsk.setText(MessageText.getString("general.dont.ask.again"));
      gridData = new GridData(GridData.FILL_BOTH);
      gridData.horizontalSpan = 1;
      dontAsk.setLayoutData(gridData);
      dontAsk.addListener(
          SWT.Selection,
          new Listener() {
            public void handleEvent(Event e) {
              RememberedDecisionsManager.setRemembered(ignore_key, dontAsk.getSelection() ? 1 : 0);
            }
          });

      // line

      Label labelSeparator = new Label(shell, SWT.SEPARATOR | SWT.HORIZONTAL);
      gridData = new GridData(GridData.FILL_HORIZONTAL);
      gridData.horizontalSpan = 3;
      labelSeparator.setLayoutData(gridData);

      // buttons

      new Label(shell, SWT.NULL);

      Button bOk = new Button(shell, SWT.PUSH);
      Messages.setLanguageText(bOk, "Button.ok");
      gridData =
          new GridData(
              GridData.FILL_HORIZONTAL
                  | GridData.HORIZONTAL_ALIGN_END
                  | GridData.HORIZONTAL_ALIGN_FILL);
      gridData.grabExcessHorizontalSpace = true;
      gridData.widthHint = 70;
      bOk.setLayoutData(gridData);
      bOk.addListener(
          SWT.Selection,
          new Listener() {
            public void handleEvent(Event e) {
              close(true);
            }
          });

      Button bCancel = new Button(shell, SWT.PUSH);
      Messages.setLanguageText(bCancel, "Button.cancel");
      gridData = new GridData(GridData.HORIZONTAL_ALIGN_END);
      gridData.grabExcessHorizontalSpace = false;
      gridData.widthHint = 70;
      bCancel.setLayoutData(gridData);
      bCancel.addListener(
          SWT.Selection,
          new Listener() {
            public void handleEvent(Event e) {
              close(false);
            }
          });

      shell.setDefaultButton(bOk);

      shell.addListener(
          SWT.Traverse,
          new Listener() {
            public void handleEvent(Event e) {
              if (e.character == SWT.ESC) {
                close(false);
              }
            }
          });

      shell.pack();

      Utils.centreWindow(shell);

      shell.open();
    }
  /** @see PreferencePage#createContents(Composite) */
  protected Control createContents(Composite ancestor) {
    Composite parent = new Composite(ancestor, SWT.NULL);
    GridLayout layout = new GridLayout();
    layout.numColumns = 2;
    layout.marginHeight = 0;
    layout.marginWidth = 0;
    parent.setLayout(layout);

    // layout the top table & its buttons
    Label label = new Label(parent, SWT.LEFT);
    label.setText(XMLCompareMessages.XMLComparePreference_topTableLabel);
    GridData data = new GridData();
    data.horizontalAlignment = GridData.FILL;
    data.horizontalSpan = 2;
    label.setLayoutData(data);

    fIdMapsTable = new Table(parent, SWT.SINGLE | SWT.BORDER | SWT.FULL_SELECTION);
    fIdMapsTable.setHeaderVisible(true);
    data = new GridData(GridData.FILL_BOTH);
    data.heightHint = fIdMapsTable.getItemHeight() * 4;
    fIdMapsTable.setLayoutData(data);
    fIdMapsTable.addSelectionListener(
        new SelectionAdapter() {
          public void widgetSelected(SelectionEvent e) {
            selectionChanged();
          }
        });

    String column2Text = XMLCompareMessages.XMLComparePreference_topTableColumn2;
    String column3Text = XMLCompareMessages.XMLComparePreference_topTableColumn3;
    ColumnLayoutData columnLayouts[] = {
      new ColumnWeightData(1),
      new ColumnPixelData(convertWidthInCharsToPixels(column2Text.length() + 2), true),
      new ColumnPixelData(convertWidthInCharsToPixels(column3Text.length() + 5), true)
    };
    TableLayout tablelayout = new TableLayout();
    fIdMapsTable.setLayout(tablelayout);
    for (int i = 0; i < 3; i++) tablelayout.addColumnData(columnLayouts[i]);
    TableColumn column = new TableColumn(fIdMapsTable, SWT.NONE);
    column.setText(XMLCompareMessages.XMLComparePreference_topTableColumn1);
    column = new TableColumn(fIdMapsTable, SWT.NONE);
    column.setText(column2Text);
    column = new TableColumn(fIdMapsTable, SWT.NONE);
    column.setText(column3Text);

    fillIdMapsTable();

    Composite buttons = new Composite(parent, SWT.NULL);
    buttons.setLayout(new GridLayout());
    data = new GridData();
    data.verticalAlignment = GridData.FILL;
    data.horizontalAlignment = GridData.FILL;
    buttons.setLayoutData(data);

    fAddIdMapButton = new Button(buttons, SWT.PUSH);
    fAddIdMapButton.setText(XMLCompareMessages.XMLComparePreference_topAdd);
    fAddIdMapButton.addSelectionListener(
        new SelectionAdapter() {
          public void widgetSelected(SelectionEvent e) {
            addIdMap(fAddIdMapButton.getShell());
          }
        });
    data = new GridData();
    data.horizontalAlignment = GridData.FILL;
    // data.heightHint = convertVerticalDLUsToPixels(IDialogConstants.BUTTON_HEIGHT);
    int widthHint = convertHorizontalDLUsToPixels(IDialogConstants.BUTTON_WIDTH);
    data.widthHint =
        Math.max(widthHint, fAddIdMapButton.computeSize(SWT.DEFAULT, SWT.DEFAULT, true).x);
    fAddIdMapButton.setLayoutData(data);

    fRenameIdMapButton = new Button(buttons, SWT.PUSH);
    fRenameIdMapButton.setText(XMLCompareMessages.XMLComparePreference_topRename);
    fRenameIdMapButton.addSelectionListener(
        new SelectionAdapter() {
          public void widgetSelected(SelectionEvent e) {
            renameIdMap(fRenameIdMapButton.getShell());
          }
        });
    data = new GridData();
    data.horizontalAlignment = GridData.FILL;
    // data.heightHint = convertVerticalDLUsToPixels(IDialogConstants.BUTTON_HEIGHT);
    widthHint = convertHorizontalDLUsToPixels(IDialogConstants.BUTTON_WIDTH);
    data.widthHint =
        Math.max(widthHint, fAddIdMapButton.computeSize(SWT.DEFAULT, SWT.DEFAULT, true).x);
    fRenameIdMapButton.setLayoutData(data);

    fRemoveIdMapButton = new Button(buttons, SWT.PUSH);
    fRemoveIdMapButton.setText(XMLCompareMessages.XMLComparePreference_topRemove);
    fRemoveIdMapButton.addSelectionListener(
        new SelectionAdapter() {
          public void widgetSelected(SelectionEvent e) {
            removeIdMap(fRemoveIdMapButton.getShell());
          }
        });
    data = new GridData();
    data.horizontalAlignment = GridData.FILL;
    // data.heightHint = convertVerticalDLUsToPixels(IDialogConstants.BUTTON_HEIGHT);
    widthHint = convertHorizontalDLUsToPixels(IDialogConstants.BUTTON_WIDTH);
    data.widthHint =
        Math.max(widthHint, fRemoveIdMapButton.computeSize(SWT.DEFAULT, SWT.DEFAULT, true).x);
    fRemoveIdMapButton.setLayoutData(data);

    createSpacer(buttons);

    fEditIdMapButton = new Button(buttons, SWT.PUSH);
    fEditIdMapButton.setText(XMLCompareMessages.XMLComparePreference_topEdit);
    fEditIdMapButton.addSelectionListener(
        new SelectionAdapter() {
          public void widgetSelected(SelectionEvent e) {
            editIdMap(fEditIdMapButton.getShell());
          }
        });
    data = new GridData();
    data.horizontalAlignment = GridData.FILL;
    // data.heightHint = convertVerticalDLUsToPixels(IDialogConstants.BUTTON_HEIGHT);
    widthHint = convertHorizontalDLUsToPixels(IDialogConstants.BUTTON_WIDTH);
    data.widthHint =
        Math.max(widthHint, fEditIdMapButton.computeSize(SWT.DEFAULT, SWT.DEFAULT, true).x);
    fEditIdMapButton.setLayoutData(data);

    // Spacer
    label = new Label(parent, SWT.LEFT);
    data = new GridData();
    data.horizontalAlignment = GridData.FILL;
    data.horizontalSpan = 2;
    label.setLayoutData(data);

    // layout the middle table & its buttons
    label = new Label(parent, SWT.LEFT);
    label.setText(XMLCompareMessages.XMLComparePreference_middleTableLabel);
    data = new GridData();
    data.horizontalAlignment = GridData.FILL;
    data.horizontalSpan = 2;
    label.setLayoutData(data);

    fMappingsTable = new Table(parent, SWT.SINGLE | SWT.BORDER | SWT.FULL_SELECTION);
    fMappingsTable.setHeaderVisible(true);
    data = new GridData(GridData.FILL_BOTH);
    data.heightHint = fMappingsTable.getItemHeight() * 4;
    data.widthHint = convertWidthInCharsToPixels(70);
    fMappingsTable.setLayoutData(data);

    column3Text = XMLCompareMessages.XMLComparePreference_middleTableColumn3;
    String column4Text = XMLCompareMessages.XMLComparePreference_middleTableColumn4;
    columnLayouts =
        new ColumnLayoutData[] {
          new ColumnWeightData(10),
          new ColumnWeightData(18),
          new ColumnPixelData(convertWidthInCharsToPixels(column3Text.length() + 1), true),
          new ColumnPixelData(convertWidthInCharsToPixels(column4Text.length() + 3), true)
        };
    tablelayout = new TableLayout();
    fMappingsTable.setLayout(tablelayout);
    for (int i = 0; i < 4; i++) tablelayout.addColumnData(columnLayouts[i]);
    column = new TableColumn(fMappingsTable, SWT.NONE);
    column.setText(XMLCompareMessages.XMLComparePreference_middleTableColumn1);
    column = new TableColumn(fMappingsTable, SWT.NONE);
    column.setText(XMLCompareMessages.XMLComparePreference_middleTableColumn2);
    column = new TableColumn(fMappingsTable, SWT.NONE);
    column.setText(column3Text);
    column = new TableColumn(fMappingsTable, SWT.NONE);
    column.setText(column4Text);

    buttons = new Composite(parent, SWT.NULL);
    buttons.setLayoutData(new GridData(GridData.VERTICAL_ALIGN_BEGINNING));
    layout = new GridLayout();
    layout.marginHeight = 0;
    layout.marginWidth = 0;
    buttons.setLayout(layout);

    fNewMappingsButton = new Button(buttons, SWT.PUSH);
    fNewMappingsButton.setLayoutData(getButtonGridData(fNewMappingsButton));
    fNewMappingsButton.setText(XMLCompareMessages.XMLComparePreference_middleNew);
    fNewMappingsButton.addSelectionListener(
        new SelectionAdapter() {
          public void widgetSelected(SelectionEvent e) {
            addMapping(fAddIdMapButton.getShell());
          }
        });

    fEditMappingsButton = new Button(buttons, SWT.PUSH);
    fEditMappingsButton.setLayoutData(getButtonGridData(fEditMappingsButton));
    fEditMappingsButton.setText(XMLCompareMessages.XMLComparePreference_middleEdit);
    fEditMappingsButton.addSelectionListener(
        new SelectionAdapter() {
          public void widgetSelected(SelectionEvent e) {
            editMapping(fEditMappingsButton.getShell());
          }
        });

    fRemoveMappingsButton = new Button(buttons, SWT.PUSH);
    fRemoveMappingsButton.setLayoutData(getButtonGridData(fRemoveMappingsButton));
    fRemoveMappingsButton.setText(XMLCompareMessages.XMLComparePreference_middleRemove);
    fRemoveMappingsButton.addSelectionListener(
        new SelectionAdapter() {
          public void widgetSelected(SelectionEvent e) {
            removeMapping(fRemoveMappingsButton.getShell());
          }
        });

    createSpacer(buttons);

    // layout the botton table & its buttons
    label = new Label(parent, SWT.LEFT);
    label.setText(XMLCompareMessages.XMLComparePreference_bottomTableLabel);
    data = new GridData();
    data.horizontalAlignment = GridData.FILL;
    data.horizontalSpan = 2;
    label.setLayoutData(data);

    fOrderedTable = new Table(parent, SWT.SINGLE | SWT.BORDER | SWT.FULL_SELECTION);
    fOrderedTable.setHeaderVisible(true);
    data = new GridData(GridData.FILL_BOTH);
    data.heightHint = fOrderedTable.getItemHeight() * 2;
    data.widthHint = convertWidthInCharsToPixels(70);
    fOrderedTable.setLayoutData(data);

    columnLayouts = new ColumnLayoutData[] {new ColumnWeightData(1), new ColumnWeightData(1)};
    tablelayout = new TableLayout();
    fOrderedTable.setLayout(tablelayout);
    for (int i = 0; i < 2; i++) tablelayout.addColumnData(columnLayouts[i]);
    column = new TableColumn(fOrderedTable, SWT.NONE);
    column.setText(XMLCompareMessages.XMLComparePreference_bottomTableColumn1);
    column = new TableColumn(fOrderedTable, SWT.NONE);
    column.setText(XMLCompareMessages.XMLComparePreference_bottomTableColumn2);

    buttons = new Composite(parent, SWT.NULL);
    buttons.setLayoutData(new GridData(GridData.VERTICAL_ALIGN_BEGINNING));
    layout = new GridLayout();
    layout.marginHeight = 0;
    layout.marginWidth = 0;
    buttons.setLayout(layout);

    fNewOrderedButton = new Button(buttons, SWT.PUSH);
    fNewOrderedButton.setLayoutData(getButtonGridData(fNewOrderedButton));
    fNewOrderedButton.setText(XMLCompareMessages.XMLComparePreference_bottomNew);
    fNewOrderedButton.addSelectionListener(
        new SelectionAdapter() {
          public void widgetSelected(SelectionEvent e) {
            addOrdered(fNewOrderedButton.getShell());
          }
        });

    fEditOrderedButton = new Button(buttons, SWT.PUSH);
    fEditOrderedButton.setLayoutData(getButtonGridData(fEditOrderedButton));
    fEditOrderedButton.setText(XMLCompareMessages.XMLComparePreference_bottomEdit);
    fEditOrderedButton.addSelectionListener(
        new SelectionAdapter() {
          public void widgetSelected(SelectionEvent e) {
            editOrdered(fEditOrderedButton.getShell());
          }
        });

    fRemoveOrderedButton = new Button(buttons, SWT.PUSH);
    fRemoveOrderedButton.setLayoutData(getButtonGridData(fRemoveOrderedButton));
    fRemoveOrderedButton.setText(XMLCompareMessages.XMLComparePreference_bottomRemove);
    fRemoveOrderedButton.addSelectionListener(
        new SelectionAdapter() {
          public void widgetSelected(SelectionEvent e) {
            removeOrdered(fRemoveOrderedButton.getShell());
          }
        });

    createSpacer(buttons);

    fIdMapsTable.setSelection(0);
    fIdMapsTable.setFocus();
    selectionChanged();

    return parent;
  }
    protected authDialog(
        AESemaphore _sem, Display display, String realm, String tracker, String torrent_name) {
      sem = _sem;

      if (display.isDisposed()) {

        sem.release();

        return;
      }

      shell = new Shell(display, SWT.DIALOG_TRIM | SWT.APPLICATION_MODAL);

      Utils.setShellIcon(shell);
      Messages.setLanguageText(shell, "authenticator.title");

      GridLayout layout = new GridLayout();
      layout.numColumns = 3;

      shell.setLayout(layout);

      GridData gridData;

      // realm

      Label realm_label = new Label(shell, SWT.NULL);
      Messages.setLanguageText(realm_label, "authenticator.realm");
      gridData = new GridData(GridData.FILL_BOTH);
      gridData.horizontalSpan = 1;
      realm_label.setLayoutData(gridData);

      Label realm_value = new Label(shell, SWT.NULL);
      realm_value.setText(realm.replaceAll("&", "&&"));
      gridData = new GridData(GridData.FILL_BOTH);
      gridData.horizontalSpan = 2;
      realm_value.setLayoutData(gridData);

      // tracker

      Label tracker_label = new Label(shell, SWT.NULL);
      Messages.setLanguageText(tracker_label, "authenticator.tracker");
      gridData = new GridData(GridData.FILL_BOTH);
      gridData.horizontalSpan = 1;
      tracker_label.setLayoutData(gridData);

      Label tracker_value = new Label(shell, SWT.NULL);
      tracker_value.setText(tracker.replaceAll("&", "&&"));
      gridData = new GridData(GridData.FILL_BOTH);
      gridData.horizontalSpan = 2;
      tracker_value.setLayoutData(gridData);

      if (torrent_name != null) {

        Label torrent_label = new Label(shell, SWT.NULL);
        Messages.setLanguageText(torrent_label, "authenticator.torrent");
        gridData = new GridData(GridData.FILL_BOTH);
        gridData.horizontalSpan = 1;
        torrent_label.setLayoutData(gridData);

        Label torrent_value = new Label(shell, SWT.NULL);
        torrent_value.setText(torrent_name.replaceAll("&", "&&"));
        gridData = new GridData(GridData.FILL_BOTH);
        gridData.horizontalSpan = 2;
        torrent_value.setLayoutData(gridData);
      }
      // user

      Label user_label = new Label(shell, SWT.NULL);
      Messages.setLanguageText(user_label, "authenticator.user");
      gridData = new GridData(GridData.FILL_BOTH);
      gridData.horizontalSpan = 1;
      user_label.setLayoutData(gridData);

      final Text user_value = new Text(shell, SWT.BORDER);
      user_value.setText("");
      gridData = new GridData(GridData.FILL_BOTH);
      gridData.horizontalSpan = 2;
      user_value.setLayoutData(gridData);

      user_value.addListener(
          SWT.Modify,
          new Listener() {
            public void handleEvent(Event event) {
              username = user_value.getText();
            }
          });

      // password

      Label password_label = new Label(shell, SWT.NULL);
      Messages.setLanguageText(password_label, "authenticator.password");
      gridData = new GridData(GridData.FILL_BOTH);
      gridData.horizontalSpan = 1;
      password_label.setLayoutData(gridData);

      final Text password_value = new Text(shell, SWT.BORDER);
      password_value.setEchoChar('*');
      password_value.setText("");
      gridData = new GridData(GridData.FILL_BOTH);
      gridData.horizontalSpan = 2;
      password_value.setLayoutData(gridData);

      password_value.addListener(
          SWT.Modify,
          new Listener() {
            public void handleEvent(Event event) {
              password = password_value.getText();
            }
          });

      // persist

      Label blank_label = new Label(shell, SWT.NULL);
      gridData = new GridData(GridData.FILL_BOTH);
      gridData.horizontalSpan = 1;
      blank_label.setLayoutData(gridData);

      final Button checkBox = new Button(shell, SWT.CHECK);
      checkBox.setText(MessageText.getString("authenticator.savepassword"));
      gridData = new GridData(GridData.FILL_BOTH);
      gridData.horizontalSpan = 2;
      checkBox.setLayoutData(gridData);
      checkBox.addListener(
          SWT.Selection,
          new Listener() {
            public void handleEvent(Event e) {
              persist = checkBox.getSelection();
            }
          });

      // line

      Label labelSeparator = new Label(shell, SWT.SEPARATOR | SWT.HORIZONTAL);
      gridData = new GridData(GridData.FILL_HORIZONTAL);
      gridData.horizontalSpan = 3;
      labelSeparator.setLayoutData(gridData);

      // buttons

      new Label(shell, SWT.NULL);

      Button bOk = new Button(shell, SWT.PUSH);
      Messages.setLanguageText(bOk, "Button.ok");
      gridData =
          new GridData(
              GridData.FILL_HORIZONTAL
                  | GridData.HORIZONTAL_ALIGN_END
                  | GridData.HORIZONTAL_ALIGN_FILL);
      gridData.grabExcessHorizontalSpace = true;
      gridData.widthHint = 70;
      bOk.setLayoutData(gridData);
      bOk.addListener(
          SWT.Selection,
          new Listener() {
            public void handleEvent(Event e) {
              close(true);
            }
          });

      Button bCancel = new Button(shell, SWT.PUSH);
      Messages.setLanguageText(bCancel, "Button.cancel");
      gridData = new GridData(GridData.HORIZONTAL_ALIGN_END);
      gridData.grabExcessHorizontalSpace = false;
      gridData.widthHint = 70;
      bCancel.setLayoutData(gridData);
      bCancel.addListener(
          SWT.Selection,
          new Listener() {
            public void handleEvent(Event e) {
              close(false);
            }
          });

      shell.setDefaultButton(bOk);

      shell.addListener(
          SWT.Traverse,
          new Listener() {
            public void handleEvent(Event e) {
              if (e.character == SWT.ESC) {
                close(false);
              }
            }
          });

      shell.pack();

      Utils.centreWindow(shell);

      shell.open();

      shell.forceActive();
    }