GitHub user liguohuicmss opened a pull request:
https://github.com/apache/zeppelin/pull/2686
Chart field is also draggable and sortable in the 'keys', 'groups' and
'values'
### What is this PR for?
Current the `keys`, `groups` and `values` is only droppable. It is a little
inconvenient if I want to drag it to other place or sort it.
This feature let `keys`, `groups` and `values` not only `droppable`, but
also `draggable` and `sorttable`.
### What type of PR is it?
[Feature]
### What is the Jira issue?
https://issues.apache.org/jira/browse/ZEPPELIN-3076 [ZEPPELIN-3076]
### How should this be tested?
I have Add the Screenshots for the test. Just as the Screenshots showing,
all the element in `keys`, `groups` and `values` is draggable and sorttable.

### 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/liguohuicmss/zeppelin
draggable-field-keys-groups-values2
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/zeppelin/pull/2686.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 #2686
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commit ebb843610378db2b82639b021c236307ed36e438
Author: liguohui <[email protected]>
Date: 2017-11-27T05:51:16Z
Chart field is also draggable and sortable in the 'keys', 'groups' and
'values'
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