!752

!include #1004828 // Java Analysis

static new JTextArea infoArea;

p {

  loadConceptsFrom("#1004820");

  SSnippet snippet = conceptOfType(SSnippet.class);

  L<Substring> substrings = sortedByField(findBackRefs(snippet, Substring.class), "startIndex");

  print("substrings: " + l(substrings));

  new StringBuilder buf;

  int i = 0, iCol = 0;

  for (Substring s : substrings) {

    //print("s/e= " + s.startIndex + "/" + s.endIndex);

    buf.append(htmlencode(substring(snippet.text, i, s.startIndex)));

    S col = odd(iCol++) 

      //? "#b8d1f3" : "#dae5f4";

      ? "#CC0000" : "#0000CC"; // Coder Colors!

    buf.append(span(b(href(str(s.id), htmlencode(s.text()))), "style", "color: " + col));

    i = s.endIndex;

  }

  buf.append(htmlencode(substring(snippet.text, i)));

  S html = hhtml(pre(buf));

  JEditorPane editorPane = new JEditorPane("text/html", html);

  editorPane.setEditable(false);

  editorPane.addHyperlinkListener(new HyperlinkListener {

    public void hyperlinkUpdate(HyperlinkEvent e) {

      S link = e.getDescription();

      HyperlinkEvent.EventType type = e.getEventType();

      //print("Event! " + e.getEventType() + " " + link);

      if (type == HyperlinkEvent.EventType.ENTERED)

        showInfo(link);

      else if (type == HyperlinkEvent.EventType.EXITED)

        showInfo(null);

    }

  });

  showFrame(vgrid(editorPane, infoArea));

}

static void showInfo(S id) {

  new StringBuilder buf;

  Concept c = getConcept(id);

  if (c != null) {

    buf.append(shortClassName(c));

    if (c instanceof Substring)

      buf.append(" " + quote(((Substring) c).text()));

  }

  infoArea.setText(str(buf));

  infoArea.setCaretPosition(0);

}