pull request updated and now in a stable that I'd be comfortable merging:
- Simplified the code significantly, relying mostly on select2
auto-magic conversion on an existing select
- The Select2DropDownChoice is now a DropDownChoice subclass, so removed
the extra special testing code
- Added code to mimick native drop down keyboard behavior. It's not 100%
the same, but got as close as possible (the one deviation that I'm aware
of, if you type in a closed native select it will take into account all
chars you typed to select the best match, this version only looks for the
first one, e.g., has no state).
- Added more select2 based drop downs around, but only for long lists
(mostly based on Torbens' suggestions, but could not easily migrate the
I did not do a full migration, as I don't have time to test all pages one
by one, but I guess we can switch pages a bit at a time, also based on
I've done my best to test by hand, other testers more than welcomed :-)
On Mon, Jan 22, 2018 at 8:05 PM, Torben Barsballe <
> On Sun, Jan 21, 2018 at 10:07 AM, Andrea Aime <
> andrea.a...@geo-solutions.it> wrote:
>> On Mon, Jan 15, 2018 at 7:06 PM, Torben Barsballe <
>> tbarsba...@boundlessgeo.com> wrote:
>>> UI improvements are always nice, and this seems like a particularly
>>> useful one.
>>> The style differences relative to native drop-downs are a bit annoying,
>>> but seem fine. One possible alternate workaround for that would be to style
>>> the regular drop-downs so that they are the same between browsers. That
>>> should be as simple as adding a bit of CSS (Although most of the methods I
>>> could find for this used a background image to replace the select, so this
>>> workaround seems a bit finicky).
>> Indeed... I looked around but could not find an approach that would scale
>> well along the the base system font size changes... (there are some
>> bootstrap based examples that might work, but we don't use bootstrap in
>> GeoServer so...).
> Ah, forgot about scaling; yeah that would make things rather more
>> Can you think of any other case in the UI that would benefit from having
>> the select2 list?
> Hmm... List of requests on the Demo requests page. Likewise, list of WPS
> processes on the WPS request builder demo. Preview format on Layer Preview
> You could maybe change the CRS fields on the Layer / Layer group edit page
> to use it, but that seems like a bit more work.
>>> I think we should probably avoid replacing all drop-downs with the
>>> select2 one just for style reasons, seems like it could be a bit
>>> annoying/unnecessary where there are only a few options.
>> Yeah, I was wondering myself. Personally I'd prefer visual consistency
>> but I have no strong opinion on this one, happy to leave it as is.
>>> One thing I did notice is that the select2 drop-down doesn't support
>>> keyboard navigation (tab + arrow keys), unlike a regular select. That seems
>>> like another good reason to only use it where necessary.
>> That is indeed annoying (although not sure how keyboard friendly the UI
>> is to start with).
> From what I have seen / tried, navigating by keyboard is a bit finicky,
> but still technically doable.
>> Hmmm... seems like it may be fixable, I'll have a look into it:
>> If a viable fix comes out of that, then I wouldn't see an issue with
> replacing all select boxes with the select2 one. As-is, I think the
> accessibility improvement of the regular select boxes outweighs the style
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