GitHub user AhyoungRyu opened a pull request:
https://github.com/apache/zeppelin/pull/1143
[ZEPPELIN-1085] Make dropdown menu scrollbar always visible
### What is this PR for?
In Zeppelin docs website, there are 4 dropdown menus(Quick Start,
Interpreters, Display System and More) in navbar. Especially **Interpreters**
and **More** menu have lots of lists so I made this dropdown menu scrollable in
#1004.
Originally the scroll bar is shown up when user is trying to scroll down.
That's why it's hard to notice there are more menus in the dropdown menu. See
[this issue](https://issues.apache.org/jira/browse/ZEPPELIN-1085).
So I made this scroll bar always visible. But only for chrome & safari.
Unfortunately, Firefox doesn't support custom scroll bar. See
[here](http://stackoverflow.com/questions/18317634/force-visible-scrollbar-in-firefox-on-mac-os-x).
In short, it says
>There is no way to actually "force" Firefox render the old-style scrollbar
since the default scrollbar used in the system is predefined by the OS itself
(note that you can modify which scrollbar you want in System Preferences).
### What type of PR is it?
Improvement
### TODO
- [x] : test this in major browsers
### What is the Jira issue?
[ZEPPELIN-1085](https://issues.apache.org/jira/browse/ZEPPELIN-1085)
### How should this be tested?
Outline the steps to test the PR here.
### Screenshots (if appropriate)
- Before : scrollbar is only shown up when you are trying to scroll up &
down
- After : always visible
- In case of IE, you can always see the scrollbar. So it's not a problem
originally.
### Questions:
* Does the licenses files need update? no
* Is there breaking changes for older versions? no
* Does this needs documentation? no
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/AhyoungRyu/zeppelin ZEPPELIN-1085
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/zeppelin/pull/1143.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #1143
----
commit 4d10883bccb821b927c739b76ea0e455c00b8e51
Author: AhyoungRyu <fbdkdu...@hanmail.net>
Date: 2016-07-07T06:32:28Z
Make dropdown menu scrollbar always visible
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