Bug 383007 - Javadoc hover / class file editor for JDK packages should tell about JDK vs. JRE
Summary: Javadoc hover / class file editor for JDK packages should tell about JDK vs. JRE
Status: ASSIGNED
Alias: None
Product: JDT
Classification: Eclipse Project
Component: Text (show other bugs)
Version: 3.8   Edit
Hardware: All All
: P3 enhancement (vote)
Target Milestone: ---   Edit
Assignee: JDT-Text-Inbox CLA
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Reported: 2012-06-19 12:34 EDT by Markus Keller CLA
Modified: 2012-10-24 03:16 EDT (History)
1 user (show)

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Description Markus Keller CLA 2012-06-19 12:34:58 EDT 
The Javadoc hover and the class file editor for classes without source should tell about the difference between JDK and JRE and help the user install and configure a JDK.

Too often, I see people working against a JRE where they miss important tooling like the Quick Type Hierarchy and even Javadoc hovers if they are offline.
Comment 1 Dani Megert CLA 2012-06-20 03:03:42 EDT 
(In reply to comment #0)
> Too often, I see people working against a JRE where they miss important 
> tooling like the Quick Type Hierarchy 

Why would the Quick Type hierarchy not work with a JRE?
Comment 2 Markus Keller CLA 2012-06-20 07:05:16 EDT 
> Why would the Quick Type hierarchy not work with a JRE?

It only works on existing references to a type/member. It doesn't work in the class file editor without source.
Comment 3 Dani Megert CLA 2012-06-20 08:25:49 EDT 
(In reply to comment #2)
> > Why would the Quick Type hierarchy not work with a JRE?
> 
> It only works on existing references to a type/member. It doesn't work in the
> class file editor without source.

Yes, of course - like most other things that are source based. Also, being on- or offline has not influence on the Class File Editor.
Comment 4 Markus Keller CLA 2012-06-20 09:04:25 EDT 
This bug is just about a common story where we're not as helpful as we could be. Of course, a five-line story description can't go into details, but you should get the point if you care.

(In reply to comment #3)
I don't see the point in full-citing the previous comment.

> Also, being on- or offline has not influence on the Class File Editor.

Correct, but I didn't claim that. However, the Class File Editor is where people end up when they Ctrl+click or press F3, e.g. because they didn't see Javadoc when hovering over a reference because they were offline.
Comment 5 Dani Megert CLA 2012-06-20 09:07:05 EDT 
(In reply to comment #4)
> This bug is just about a common story where we're not as helpful as we could
> be.

Don't get me wrong - I do see the usefulness of this feature ;-).
Comment 6 Deepak Azad CLA 2012-06-20 09:10:42 EDT 
(In reply to comment #0)
> The Javadoc hover and the class file editor for classes without source should
> tell about the difference between JDK and JRE and help the user install and
> configure a JDK.
+1. Too many people ask about missing javadoc and attached javadoc etc. A simple hint about using a JDK (which really is the best solution here), would be nice.