code: boolean isValidInputSimple() {
  
          return (m_simpleFieldFolderName.isValid()
              & m_simpleFieldServer.isValid()
              & m_simpleFieldTitle.isValid()
              & m_simpleFieldParentFolderName.isValid()
              & m_fieldSelectOU.isValid()
              & m_simpleFieldSiteRoot.isValid());
      }
docs: Checks if all required fields are set correctly at first Tab.<p>
  
  @return true if all inputs are valid.