[GitHub] zeppelin pull request #1802: [MINOR] Validate before setting focus to paragr...

[1ambda]

GitHub user 1ambda opened a pull request:

    https://github.com/apache/zeppelin/pull/1802

    [MINOR] Validate before setting focus to paragraphs

    ### What is this PR for?
    
    Fixed fragile code in notebook.controller.js. This code causes loading 
errors as u can see the screenshot above. Especially in different loading 
system (e.g es6 import, require, webpack)
    
    ### What type of PR is it?
    [Bug Fix]
    
    ### Todos
    
    Nothing
    
    ### What is the Jira issue?
    
    MINOR issue
    
    ### How should this be tested?
    Outline the steps to test the PR here.
    
    ### Screenshots (if appropriate)
    
    <img width="1440" alt="focus" 
src="https://cloud.githubusercontent.com/assets/4968473/21457488/fe1de3e0-c972-11e6-87f9-309c576e4421.png";>
    
    
    ### Questions:
    * Does the licenses files need update?
    * Is there breaking changes for older versions?
    * Does this needs documentation?


You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/1ambda/zeppelin 
fix/validate-before-setting-focus

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/zeppelin/pull/1802.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 #1802
    
----
commit 720e891dd1706ad897aa8944e8a1ad08482f1abb
Author: 1ambda <1am...@gmail.com>
Date:   2016-12-23T15:48:22Z

    fix: Fragile code in notebook.controller.js

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