public void scrollToReference(final String ref) {
Document doc = getDocument();
if (ref == null || !(doc instanceof HTMLDocument)) {
return;
}
HTMLDocument.Iterator it = ((HTMLDocument) doc).getIterator(HTML.Tag.A);
int offset = 0;
while (it.isValid()) {
AttributeSet set = it.getAttributes();
Object name = set.getAttribute(HTML.Attribute.NAME);
if (ref.equals(name)) {
offset = it.getStartOffset();
break;
}
it.next();
}
Rectangle rect = null;
try {
rect = modelToView(offset);
} catch (BadLocationException e) {
}
Rectangle visibleRect = getVisibleRect();
if (visibleRect != null) {
rect.height = visibleRect.height;
}
scrollRectToVisible(rect);
}
private final void find(Pattern pattern) {
final WriteOnce<Integer> once = new WriteOnce<Integer>();
final Highlighter highlighter = textPane.getHighlighter();
highlighter.removeAllHighlights();
int matches = 0;
final HTMLDocument doc = (HTMLDocument) textPane.getDocument();
for (final HTMLDocument.Iterator it = doc.getIterator(HTML.Tag.CONTENT);
it.isValid();
it.next())
try {
final String fragment =
doc.getText(it.getStartOffset(), it.getEndOffset() - it.getStartOffset());
final Matcher matcher = pattern.matcher(fragment);
while (matcher.find()) {
highlighter.addHighlight(
it.getStartOffset() + matcher.start(),
it.getStartOffset() + matcher.end(),
HIGHLIGHTER);
once.set(it.getStartOffset());
++matches;
}
} catch (final BadLocationException ex) {
}
if (!once.isEmpty()) textPane.setCaretPosition(once.get());
this.matches.setText(String.format("%d matches", matches));
}