abstract sclass DynTextSplitter > DynModule {
  S text, function;
  LS actualOutput;
  LS output;
  switchable bool showQuoted;
  
  transient JList outputList;
  
  visualize {
    LiveValue<S> lvOutputTitle = mapLiveValue(dm_fieldLiveValue('output), S, func(LS l) -> S { "OUTPUT" + (empty(l) ? "" : " (" + upper(n2(l, "item")) + ")") });
    ret withMargin(jvsplit(
      jSection("INPUT", dm_fieldTextArea('text)),
      northAndCenterWithMargin(
        centerAndEastEastWithMargin(
          withLabel("Split function:", standardFunctionLiveValueComboBox(dm_fieldLiveValue('function))),
          dm_checkBox('showQuoted),
          jbutton("Do it", rThread compute)),
        jLiveValueSection(lvOutputTitle, jLiveValueList(dm_fieldLiveValue('output))))));
  }
  
  void compute enter {
    setField(actualOutput := assertStringList(callAndMake(function, text)));
    setField(output := showQuoted ? quoteAll(output) : actualOutput);
  }
}

Began life as a copy of #1020148