GitHub user zjffdu opened a pull request:
https://github.com/apache/zeppelin/pull/2312
ZEPPELIN-2486. AngularElem's onChange is only invoked once
### What is this PR for?
`ng-change` can not capture event, so that means `$event.timeStamp` is
undefined. https://github.com/angular/angular.js/issues/6370
This cause AngularElem's onChange is only invoked once.
### What type of PR is it?
[Bug Fix]
### Todos
* [ ] - Task
### What is the Jira issue?
* https://issues.apache.org/jira/browse/ZEPPELIN-2486
### How should this be tested?
Tested manually
### Screenshots (if appropriate)
Before

After

### 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/zjffdu/zeppelin ZEPPELIN-2486
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/zeppelin/pull/2312.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 #2312
----
commit 4cbb1a1cbf870b7e838efa23943c7a8ef6c28b34
Author: Jeff Zhang <[email protected]>
Date: 2017-05-03T12:42:34Z
ZEPPELIN-2486. ng-change is only invoked once for AngularElem
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