public void showItem() {

    if (!this.editorPanel.getViewer().isLanguageFunctionAvailable()) {

      return;
    }

    this.highlight =
        this.editorPanel
            .getEditor()
            .addHighlight(this.position, this.position + this.word.length(), null, true);

    final FindSynonymsActionHandler _this = this;

    QTextEditor editor = this.editorPanel.getEditor();

    Rectangle r = null;

    try {

      r = editor.modelToView(this.position);

    } catch (Exception e) {

      // BadLocationException!
      Environment.logError("Location: " + this.position + " is not valid", e);

      UIUtils.showErrorMessage(this.editorPanel, "Unable to display synonyms.");

      return;
    }

    int y = r.y;

    // Show a panel of all the items.
    final QPopup p = this.popup;

    p.setOpaque(false);

    Synonyms syns = null;

    try {

      syns = this.projectViewer.getSynonymProvider().getSynonyms(this.word);

    } catch (Exception e) {

      UIUtils.showErrorMessage(this.editorPanel, "Unable to display synonyms.");

      Environment.logError("Unable to lookup synonyms for: " + word, e);

      return;
    }

    if ((syns.words.size() == 0) && (this.word.toLowerCase().endsWith("ed"))) {

      // Trim off the ed and try again.
      try {

        syns = this.projectViewer.getSynonyms(this.word.substring(0, this.word.length() - 2));

      } catch (Exception e) {

        UIUtils.showErrorMessage(this.editorPanel, "Unable to display synonyms.");

        Environment.logError("Unable to lookup synonyms for: " + word, e);

        return;
      }
    }

    if ((syns.words.size() == 0) && (this.word.toLowerCase().endsWith("s"))) {

      // Trim off the ed and try again.
      try {

        syns = this.projectViewer.getSynonyms(this.word.substring(0, this.word.length() - 1));

      } catch (Exception e) {

        UIUtils.showErrorMessage(this.editorPanel, "Unable to display synonyms.");

        Environment.logError("Unable to lookup synonyms for: " + word, e);

        return;
      }
    }

    StringBuilder sb = new StringBuilder();

    if (syns.words.size() > 0) {

      sb.append("6px");

      for (int i = 0; i < syns.words.size(); i++) {

        if (sb.length() > 0) {

          sb.append(", ");
        }

        sb.append("p, 3px, [p,90px], 5px");
      }
      /*
                if (syns.words.size () > 0)
                {

                    sb.append (",5px");

                }
      */
    } else {

      sb.append("6px, p, 6px");
    }

    FormLayout summOnly = new FormLayout("3px, fill:380px:grow, 3px", sb.toString());
    PanelBuilder pb = new PanelBuilder(summOnly);

    CellConstraints cc = new CellConstraints();

    int ind = 2;

    Map<String, String> names = new HashMap();
    names.put(Synonyms.ADJECTIVE + "", "Adjectives");
    names.put(Synonyms.NOUN + "", "Nouns");
    names.put(Synonyms.VERB + "", "Verbs");
    names.put(Synonyms.ADVERB + "", "Adverbs");
    names.put(Synonyms.OTHER + "", "Other");

    if (syns.words.size() == 0) {

      JLabel l = new JLabel("No synonyms found.");
      l.setFont(l.getFont().deriveFont(Font.ITALIC));

      pb.add(l, cc.xy(2, 2));
    }

    // Determine what type of word we are looking for.
    for (Synonyms.Part i : syns.words) {

      JLabel l = new JLabel(names.get(i.type + ""));

      l.setFont(l.getFont().deriveFont(Font.ITALIC));
      l.setFont(l.getFont().deriveFont((float) UIUtils.getEditorFontSize(10)));
      l.setBorder(
          new CompoundBorder(
              new MatteBorder(0, 0, 1, 0, Environment.getBorderColor()),
              new EmptyBorder(0, 0, 3, 0)));

      pb.add(l, cc.xy(2, ind));

      ind += 2;

      HTMLEditorKit kit = new HTMLEditorKit();
      HTMLDocument doc = (HTMLDocument) kit.createDefaultDocument();

      JTextPane t = new JTextPane(doc);
      t.setEditorKit(kit);
      t.setEditable(false);
      t.setOpaque(false);

      StringBuilder buf =
          new StringBuilder(
              "<style>a { text-decoration: none; } a:hover { text-decoration: underline; }</style><span style='color: #000000; font-size: "
                  + ((int) UIUtils.getEditorFontSize(10) /*t.getFont ().getSize () + 2*/)
                  + "pt; font-family: "
                  + t.getFont().getFontName()
                  + ";'>");

      for (int x = 0; x < i.words.size(); x++) {

        String w = (String) i.words.get(x);

        buf.append("<a class='x' href='http://" + w + "'>" + w + "</a>");

        if (x < (i.words.size() - 1)) {

          buf.append(", ");
        }
      }

      buf.append("</span>");

      t.setText(buf.toString());

      t.addHyperlinkListener(
          new HyperlinkAdapter() {

            public void hyperlinkUpdate(HyperlinkEvent ev) {

              if (ev.getEventType() == HyperlinkEvent.EventType.ACTIVATED) {

                QTextEditor ed = _this.editorPanel.getEditor();

                ed.replaceText(
                    _this.position, _this.position + _this.word.length(), ev.getURL().getHost());

                ed.removeHighlight(_this.highlight);

                _this.popup.setVisible(false);

                _this.projectViewer.fireProjectEvent(
                    ProjectEvent.SYNONYM, ProjectEvent.REPLACE, ev.getURL().getHost());
              }
            }
          });

      // Annoying that we have to do this but it prevents the text from being too small.

      t.setSize(new Dimension(380, Short.MAX_VALUE));

      JScrollPane sp = new JScrollPane(t);

      t.setCaretPosition(0);

      sp.setOpaque(false);
      sp.getVerticalScrollBar().setValue(0);
      /*
                  sp.setPreferredSize (t.getPreferredSize ());
                  sp.setMaximumSize (new Dimension (380,
                                                    75));
      */
      sp.getViewport().setOpaque(false);
      sp.setOpaque(false);
      sp.setBorder(null);
      sp.getViewport().setBackground(Color.WHITE);
      sp.setAlignmentX(Component.LEFT_ALIGNMENT);

      pb.add(sp, cc.xy(2, ind));

      ind += 2;
    }

    JPanel pan = pb.getPanel();
    pan.setOpaque(true);
    pan.setBackground(Color.WHITE);

    this.popup.setContent(pan);

    // r.y -= this.editorPanel.getScrollPane ().getVerticalScrollBar ().getValue ();

    Point po = SwingUtilities.convertPoint(editor, r.x, r.y, this.editorPanel);

    r.x = po.x;
    r.y = po.y;

    // Subtract the insets of the editorPanel.
    Insets ins = this.editorPanel.getInsets();

    r.x -= ins.left;
    r.y -= ins.top;

    this.editorPanel.showPopupAt(this.popup, r, "above", true);
  }
 void editorPane_keyPressed(KeyEvent e) {
   StyledDocument doc = editorPane.getStyledDocument();
   int pos = editorPane.getCaretPosition();
   int code = e.getKeyCode();
   Element el;
   switch (code) {
     case KeyEvent.VK_BACK_SPACE:
     case KeyEvent.VK_DELETE:
     case KeyEvent.VK_LEFT:
     case KeyEvent.VK_KP_LEFT:
       if (pos == 0) return;
       // we want to get the element to the left of position.
       el = doc.getCharacterElement(pos - 1);
       break;
     case KeyEvent.VK_RIGHT:
     case KeyEvent.VK_KP_RIGHT:
       // we want to get the element to the right of position.
       el = doc.getCharacterElement(pos + 1);
       break;
     default:
       return; // bail we don't handle it.
   }
   AttributeSet attr = el.getAttributes();
   String el_name = (String) attr.getAttribute(StyleConstants.NameAttribute);
   int el_range = el.getEndOffset() - el.getStartOffset() - 1;
   if (el_name.startsWith("Parameter") && StyleConstants.getComponent(attr) != null) {
     try {
       switch (code) {
         case KeyEvent.VK_BACK_SPACE:
         case KeyEvent.VK_DELETE:
           doc.remove(el.getStartOffset(), el_range);
           break;
         case KeyEvent.VK_LEFT:
         case KeyEvent.VK_KP_LEFT:
           editorPane.setCaretPosition(pos - el_range);
           break;
         case KeyEvent.VK_RIGHT:
         case KeyEvent.VK_KP_RIGHT:
           editorPane.setCaretPosition(pos + (el_range));
           break;
       }
     } catch (BadLocationException ex) {
     }
   }
 }
  private void displayMessage(String text, AttributeSet as) {
    try {
      if (!text.endsWith("\n")) {
        text += "\n";
      }
      jTextPaneDisplayMessages
          .getDocument()
          .insertString(jTextPaneDisplayMessages.getDocument().getLength(), text, as);

      jTextPaneDisplayMessages.setCaretPosition(jTextPaneDisplayMessages.getDocument().getLength());
    } catch (BadLocationException ex) {
    }
  }