!7

sclass DiffTwoSnippets > DynModule {
  S s1, s2;
  transient JTextArea taDiff;
  
  JComponent visualize() {
    ret northAndCenterWithMargins(
      centerAndEastWithMarginInbetween(hgrid(
        withLabel("Snippet 1 (-):", jLiveValueTextField(dm_fieldLiveValue('s1))),
        withLabel("Snippet 2 (+):", jLiveValueTextField(dm_fieldLiveValue('s2)))),
        jbuttonWithDisable("Diff!", r go)),
      taDiff = jTextArea());
  }
  
  void go {
    S text1 = loadSnippet(trim(s1));
    S text2 = loadSnippet(trim(s2));
    setText(taDiff, unidiff(text1, text2));
  }
}