}
@Override
protected SecondaryToolbar createSecondaryToolbar()
{
SecondaryToolbar toolbar = new SecondaryToolbar() ;
toolbar.addLeftPopupMenu(title_ = new Label(), history_.getMenu());
if (isFindSupported())
{
final SmallButton btnNext = new SmallButton(">", true);
btnNext.setTitle("Find next (Enter)");
btnNext.setVisible(false);
btnNext.addClickHandler(new ClickHandler() {
@Override
public void onClick(ClickEvent event)
{
findNext();
}
});
final SmallButton btnPrev = new SmallButton("<", true);
btnPrev.setTitle("Find previous");
btnPrev.setVisible(false);
btnPrev.addClickHandler(new ClickHandler() {
@Override
public void onClick(ClickEvent event)
{
findPrev();
}
});
findTextBox_ = new FindTextBox("Find in Topic");
findTextBox_.setOverrideWidth(90);
toolbar.addLeftWidget(findTextBox_);
findTextBox_.addKeyUpHandler(new KeyUpHandler() {
@Override
public void onKeyUp(KeyUpEvent event)
{
WindowEx contentWindow = getContentWindow();
if (contentWindow != null)
{
// escape or tab means exit find mode and put focus
// into the main content window
if (event.getNativeKeyCode() == KeyCodes.KEY_ESCAPE ||
event.getNativeKeyCode() == KeyCodes.KEY_TAB)
{
event.preventDefault();
event.stopPropagation();
if (event.getNativeKeyCode() == KeyCodes.KEY_ESCAPE)
clearTerm();
contentWindow.focus();
}
else
{
// prevent two enter keys in rapid succession from
// minimizing or maximizing the help pane
if (event.getNativeKeyCode() == KeyCodes.KEY_ENTER)
{
event.preventDefault();
event.stopPropagation();
}
// check for term
String term = findTextBox_.getValue().trim();
// if there is a term then search for it
if (term.length() > 0)
{
// make buttons visible
setButtonVisibility(true);
// perform the find (check for incremental)
if (isIncrementalFindSupported())
{
boolean incremental =
!event.isAnyModifierKeyDown() &&
(event.getNativeKeyCode() != KeyCodes.KEY_ENTER);
performFind(term, true, incremental);
}
else
{
if (event.getNativeKeyCode() == KeyCodes.KEY_ENTER)
performFind(term, true, false);
}
}
// no term means clear term and remove selection
else
{
if (isIncrementalFindSupported())
{
clearTerm();
contentWindow.removeSelection();
}
}
}
}
}
private void clearTerm()
{
findTextBox_.setValue("");
setButtonVisibility(false);
}
private void setButtonVisibility(final boolean visible)
{
Scheduler.get().scheduleDeferred(new ScheduledCommand() {
@Override
public void execute()
{
btnNext.setVisible(visible);
btnPrev.setVisible(visible);
}
});
}
});
findTextBox_.addKeyDownHandler(new KeyDownHandler() {
@Override
public void onKeyDown(KeyDownEvent event)
{
// we handle these directly so prevent the browser
// from handling them
if (event.getNativeKeyCode() == KeyCodes.KEY_ESCAPE ||
event.getNativeKeyCode() == KeyCodes.KEY_TAB ||
event.getNativeKeyCode() == KeyCodes.KEY_ENTER)
{
event.preventDefault();
event.stopPropagation();
}
}
});
if (isIncrementalFindSupported())
{
btnPrev.getElement().getStyle().setMarginRight(3, Unit.PX);
toolbar.addLeftWidget(btnPrev);
toolbar.addLeftWidget(btnNext);
}
}
return toolbar ;