How to use

ControlStatementsTabPage

in

org.eclipse.jdt.internal.ui.preferences.formatter

@Override
protected void doCreatePreferences(Composite composite, int numColumns) {
  final Group generalGroup= createGroup(numColumns, composite, FormatterMessages.ControlStatementsTabPage_general_group_title);
  createOption(generalGroup, numColumns, FormatterMessages.ControlStatementsTabPage_general_group_insert_new_line_before_else_statements, DefaultCodeFormatterConstants.FORMATTER_INSERT_NEW_LINE_BEFORE_ELSE_IN_IF_STATEMENT, DO_NOT_INSERT_INSERT);
  createOption(generalGroup, numColumns, FormatterMessages.ControlStatementsTabPage_general_group_insert_new_line_before_catch_statements, DefaultCodeFormatterConstants.FORMATTER_INSERT_NEW_LINE_BEFORE_CATCH_IN_TRY_STATEMENT, DO_NOT_INSERT_INSERT);
  createOption(generalGroup, numColumns, FormatterMessages.ControlStatementsTabPage_general_group_insert_new_line_before_finally_statements, DefaultCodeFormatterConstants.FORMATTER_INSERT_NEW_LINE_BEFORE_FINALLY_IN_TRY_STATEMENT, DO_NOT_INSERT_INSERT);
  createOption(generalGroup, numColumns, FormatterMessages.ControlStatementsTabPage_general_group_insert_new_line_before_while_in_do_statements, DefaultCodeFormatterConstants.FORMATTER_INSERT_NEW_LINE_BEFORE_WHILE_IN_DO_STATEMENT, DO_NOT_INSERT_INSERT);
  final Group ifElseGroup= createGroup(numColumns, composite, FormatterMessages.ControlStatementsTabPage_if_else_group_title);
  fThenStatementPref= createOption(ifElseGroup, numColumns, FormatterMessages.ControlStatementsTabPage_if_else_group_keep_then_on_same_line, DefaultCodeFormatterConstants.FORMATTER_KEEP_THEN_STATEMENT_ON_SAME_LINE, FALSE_TRUE);
  Label l= new Label(ifElseGroup, SWT.NONE);
  GridData gd= new GridData();
  gd.widthHint= fPixelConverter.convertWidthInCharsToPixels(4);
  l.setLayoutData(gd);
  fSimpleIfPref= createOption(ifElseGroup, numColumns - 1, FormatterMessages.ControlStatementsTabPage_if_else_group_keep_simple_if_on_one_line, DefaultCodeFormatterConstants.FORMATTER_KEEP_SIMPLE_IF_ON_ONE_LINE, FALSE_TRUE);
  fThenStatementPref.addObserver( new Observer() {
    @Override
    public void update(Observable o, Object arg) {
      fSimpleIfPref.setEnabled(!fThenStatementPref.getChecked());
    }
  });
  fSimpleIfPref.setEnabled(!fThenStatementPref.getChecked());
  createOption(ifElseGroup, numColumns, FormatterMessages.ControlStatementsTabPage_if_else_group_keep_else_on_same_line, DefaultCodeFormatterConstants.FORMATTER_KEEP_ELSE_STATEMENT_ON_SAME_LINE, FALSE_TRUE);
  createCheckboxPref(ifElseGroup, numColumns, FormatterMessages.ControlStatementsTabPage_if_else_group_keep_else_if_on_one_line, DefaultCodeFormatterConstants.FORMATTER_COMPACT_ELSE_IF, FALSE_TRUE);
  createCheckboxPref(ifElseGroup, numColumns, FormatterMessages.ControlStatementsTabPage_if_else_group_keep_guardian_clause_on_one_line, DefaultCodeFormatterConstants.FORMATTER_KEEP_GUARDIAN_CLAUSE_ON_ONE_LINE, FALSE_TRUE);
}

  private CheckboxPreference createOption(Composite composite, int span, String name, String key, String [] values) {
    return createCheckboxPref(composite, span, name, key, values);
  }
}

protected void addPages(Map values) {
  addTabPage(FormatterMessages.ModifyDialog_tabpage_indentation_title, new IndentationTabPage(this, values)); 
  addTabPage(FormatterMessages.ModifyDialog_tabpage_braces_title, new BracesTabPage(this, values)); 
  addTabPage(FormatterMessages.ModifyDialog_tabpage_whitespace_title, new WhiteSpaceTabPage(this, values)); 
  addTabPage(FormatterMessages.ModifyDialog_tabpage_blank_lines_title, new BlankLinesTabPage(this, values)); 
  addTabPage(FormatterMessages.ModifyDialog_tabpage_new_lines_title, new NewLinesTabPage(this, values)); 
  addTabPage(FormatterMessages.ModifyDialog_tabpage_control_statements_title, new ControlStatementsTabPage(this, values)); 
  addTabPage(FormatterMessages.ModifyDialog_tabpage_line_wrapping_title, new LineWrappingTabPage(this, values)); 
  addTabPage(FormatterMessages.ModifyDialog_tabpage_comments_title, new CommentsTabPage(this, values));
}

  private CheckboxPreference createOption(Composite composite, int span, String name, String key, String [] values) {
    return createCheckboxPref(composite, span, name, key, values);
  }
}

@Override
protected void addPages(Map<String, String> values) {
  addTabPage(FormatterMessages.ModifyDialog_tabpage_indentation_title, new IndentationTabPage(this, values));
  addTabPage(FormatterMessages.ModifyDialog_tabpage_braces_title, new BracesTabPage(this, values));
  addTabPage(FormatterMessages.ModifyDialog_tabpage_parentheses_title, new ParenthesesTabPage(this, values));
  addTabPage(FormatterMessages.ModifyDialog_tabpage_whitespace_title, new WhiteSpaceTabPage(this, values));
  addTabPage(FormatterMessages.ModifyDialog_tabpage_blank_lines_title, new BlankLinesTabPage(this, values));
  addTabPage(FormatterMessages.ModifyDialog_tabpage_new_lines_title, new NewLinesTabPage(this, values));
  addTabPage(FormatterMessages.ModifyDialog_tabpage_control_statements_title, new ControlStatementsTabPage(this, values));
  addTabPage(FormatterMessages.ModifyDialog_tabpage_line_wrapping_title, new LineWrappingTabPage(this, values));
  addTabPage(FormatterMessages.ModifyDialog_tabpage_comments_title, new CommentsTabPage(this, values));
  addTabPage(FormatterMessages.ModifyDialog_tabpage_OffOnTags_title, new OffOnTagsTabPage(this, values));
}

protected void doCreatePreferences(Composite composite, int numColumns) {
  final Group generalGroup= createGroup(numColumns, composite, FormatterMessages.ControlStatementsTabPage_general_group_title); 
  createOption(generalGroup, numColumns, FormatterMessages.ControlStatementsTabPage_general_group_insert_new_line_before_else_statements, DefaultCodeFormatterConstants.FORMATTER_INSERT_NEW_LINE_BEFORE_ELSE_IN_IF_STATEMENT, DO_NOT_INSERT_INSERT); 
  createOption(generalGroup, numColumns, FormatterMessages.ControlStatementsTabPage_general_group_insert_new_line_before_catch_statements, DefaultCodeFormatterConstants.FORMATTER_INSERT_NEW_LINE_BEFORE_CATCH_IN_TRY_STATEMENT, DO_NOT_INSERT_INSERT); 
  createOption(generalGroup, numColumns, FormatterMessages.ControlStatementsTabPage_general_group_insert_new_line_before_finally_statements, DefaultCodeFormatterConstants.FORMATTER_INSERT_NEW_LINE_BEFORE_FINALLY_IN_TRY_STATEMENT, DO_NOT_INSERT_INSERT); 
  createOption(generalGroup, numColumns, FormatterMessages.ControlStatementsTabPage_general_group_insert_new_line_before_while_in_do_statements, DefaultCodeFormatterConstants.FORMATTER_INSERT_NEW_LINE_BEFORE_WHILE_IN_DO_STATEMENT, DO_NOT_INSERT_INSERT); 
  final Group ifElseGroup= createGroup(numColumns, composite, FormatterMessages.ControlStatementsTabPage_if_else_group_title); 
  fThenStatementPref= createOption(ifElseGroup, numColumns, FormatterMessages.ControlStatementsTabPage_if_else_group_keep_then_on_same_line, DefaultCodeFormatterConstants.FORMATTER_KEEP_THEN_STATEMENT_ON_SAME_LINE, FALSE_TRUE); 
  l.setLayoutData(gd);
  fSimpleIfPref= createOption(ifElseGroup, numColumns - 1, FormatterMessages.ControlStatementsTabPage_if_else_group_keep_simple_if_on_one_line, DefaultCodeFormatterConstants.FORMATTER_KEEP_SIMPLE_IF_ON_ONE_LINE, FALSE_TRUE); 
  createOption(ifElseGroup, numColumns, FormatterMessages.ControlStatementsTabPage_if_else_group_keep_else_on_same_line, DefaultCodeFormatterConstants.FORMATTER_KEEP_ELSE_STATEMENT_ON_SAME_LINE, FALSE_TRUE); 
  createCheckboxPref(ifElseGroup, numColumns, FormatterMessages.ControlStatementsTabPage_if_else_group_keep_else_if_on_one_line, DefaultCodeFormatterConstants.FORMATTER_COMPACT_ELSE_IF, FALSE_TRUE); 
  createCheckboxPref(ifElseGroup, numColumns, FormatterMessages.ControlStatementsTabPage_if_else_group_keep_guardian_clause_on_one_line, DefaultCodeFormatterConstants.FORMATTER_KEEP_GUARDIAN_CLAUSE_ON_ONE_LINE, FALSE_TRUE);