[ZEPPELIN-1772] Implement a method to get paragraph ID within any paragraph

• Type: New Feature
• Status: Closed
• Priority: Major
• Resolution: Invalid
• Component/s: front-end, GUI, rest-api, zeppelin-interpreter
• Assignee: Unassigned
• Reporter: Abhinav Sood
• Created: 08/Dec/16 22:11
• Updated: 08/Dec/16 23:36
• Resolved: 08/Dec/16 23:35

Description

Provide a method like `getParagraphId()` to get the ID for the paragraph from which the method is called.

One of the use cases is having a function that takes input parameters, including a paragraph ID, to generate D3 plot in the specified paragraph's output.

The function can be called from any other paragraph with plot parameters and it's paragraph ID. The function can:
print(s"""%html <div id="container_[PARAGRAPH_ID]"> </div>)

So calling the function from any paragraph will create a DIV with a unique ID in the paragraph's output without affecting any other paragraphs.