code: private Collection<ImageListEditor<ColumnType>.Entry> getAcceptableEntries(final ColumnType type) {
          final Collection<ImageListEditor<ColumnType>.Entry> result = new ArrayList<ImageListEditor<org.dashbuilder.dataset.ColumnType>.Entry>();
          if (type != null) {
              if (ColumnType.DATE.equals(type)) {
                  result.add(buildEntry(ColumnType.DATE));
              } else if (ColumnType.LABEL.equals(type)) {
                  result.add(buildEntry(ColumnType.LABEL));
                  result.add(buildEntry(ColumnType.TEXT));
              } else if (ColumnType.TEXT.equals(type)) {
                  result.add(buildEntry(ColumnType.LABEL));
                  result.add(buildEntry(ColumnType.TEXT));
              } else if (ColumnType.NUMBER.equals(type)) {
                  result.add(buildEntry(ColumnType.LABEL));
                  result.add(buildEntry(ColumnType.NUMBER));
              }
          }
          return result;
      }
docs: Acceptable column types to be changed from:
  LABEL -> TEXT
  NUMBER -> LABEL