code: public void addMasterListeners()
      {
          super.addMasterListeners();
          this.getField(ProgramControl.LAST_PACKAGE_UPDATE).setEnabled(false);
          
          this.addListener(new FileListener()
          {
              public void doNewRecord(boolean bDisplayOption)
              {
                  super.doNewRecord(bDisplayOption);
                  
                  PropertiesStringField field = (PropertiesStringField)this.getOwner().getField(ProgramControl.BASE_DIRECTORY);
                  field.enableConversion = false;
                  if (!field.isModified())
                      if (field.getDefault().equals(field.getData()))
                  {
                      try {
                          String home = System.getProperty("user.home");
                          String current = System.getProperty("user.dir");
                          if (!home.equals(current))
                              if (current.startsWith(home))
                          {   // Set the base directory to the current directories' home
                              current = Utility.addToPath((String)field.getDefault(), current.substring(home.length()));
                              int lastPathSeparator = current.lastIndexOf(File.separator);
                              if (lastPathSeparator == -1)
                                  lastPathSeparator = current.lastIndexOf('/');
                              if (lastPathSeparator != -1)
                              {
                                  ((InitOnceFieldHandler)field.getListener(InitOnceFieldHandler.class)).setFirstTime(true);
                                  field.setString(current.substring(0, lastPathSeparator), DBConstants.DISPLAY, DBConstants.INIT_MOVE);
                              }
                          }
                      } catch (SecurityException e) {
                          // Ignore (default is fine)
                      }
                  }
                  field.enableConversion = true;
              }
          });
      }
docs: AddMasterListeners Method.