private void addListeners() {
    addProgramBrowseAction(content.programField);
    addWorkingDirectoryBrowseAction(content.workingDirField);

    MacrosDialog.addTextFieldExtension((ExtendableTextField)content.programField.getTextField());
    MacrosDialog.addTextFieldExtension((ExtendableTextField)content.argumentsField.getTextField());
    MacrosDialog.addTextFieldExtension((ExtendableTextField)content.workingDirField.getTextField());
  }
private void addListeners()