Or use GwtQuery. It helps you to query dom elements of a widget and modify
them.
On Tuesday, July 15, 2014 6:28:30 PM UTC+2, Andy wrote:
>
> To be more specific, once you provide access to the MenuBar in your
> subclass via something like:
>
> public native MenuBar getPrivateMenuBar() /*-{
> return ... ;
> }-*/;
>
> you should be able to do:
>
> getPrivateMenuBar().getSelectedItem().getElement().scrollIntoView();
>
> Oh, but getSelectedItem() is protected! In that case I would just chain
> them both in a native method. So in your subclass add:
>
> public native MenuItem getSuperSecretSelectedMenuItem() /*-{
>
> }-*/;
>
> Anyone know the rationale behind making getItems() and getSelectedItem()
> protected in MenuBar?
>
> -Andy
>
> On Tuesday, July 15, 2014 12:15:45 PM UTC-4, Andy wrote:
>>
>> This is a common problem when trying to extend and modify GWT widgets.
>> The easiest way to work around the use of private is to use JSNI.
>>
>> Here is an example
>> <https://github.com/tractionsoftware/gwt-traction/blob/master/src/main/java/com/tractionsoftware/gwt/user/client/ui/TractionDialogBox.java#L196-L213>
>>
>> from our gwt-traction library
>> <http://tractionsoftware.github.io/gwt-traction/>.
>>
>> -Andy
>>
>> On Monday, July 14, 2014 1:40:06 PM UTC-4, chris-x...@db.com wrote:
>>>
>>> I'm working with a SuggestBox that produces a very large number of
>>> suggestions on the first one or two chanracters. I don't want an ugly list
>>> that disappears off the bottom of the screen, so I've made the selection
>>> display scroll by adding height and overflow to the CSS for
>>> .gwt-SuggestBoxPopup .suggestPopupContent.
>>>
>>> It all works fine until I try to move through the selection list using
>>> the keyboard. The selected element does not scroll into view. This is
>>> obviously not going to pass any UX tests.
>>>
>>> I've subclassed SuggestBox.DefaultSuggestionDisplay in the hope of being
>>> able to scroll the selected element into view as part of the
>>> moveSelectionDown() and moveSelectionUp() methods. But it seems that to
>>> get to the Element selected I need access to the suggestionMenu field, and
>>> that, for some reason, is private, so the subclass can't see it.
>>>
>>> Oh well, I guess I can copy the code from
>>> SuggestBox.DefaultSuggestionDisplay and implement my own version. This
>>> sort of cut-n-paste inheritance goes against decent Java principles, but
>>> it's only 280 lines or so. No luck - SuggestBox.DefaultSuggestionDisplay
>>> has a dependence on the private class SuggestBox.SuggestionMenu.
>>>
>>> At this point the only solution I can think of is to search the DOM for
>>> an element with with a CSS class of "item-selected".
>>>
>>> Does anyone know of a better solution? I would be delighted to hear it.
>>>
>>> Chris
>>>
>>
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