RFR: JDK-8290063: IGV: Give the graphs a unique number in the outline

[Tobias Holenstein]

On Wed, 2 Nov 2022 06:56:59 GMT, Tobias Hartmann <thartmann at openjdk.org> wrote:

> It works well for me but I'm wondering if "click and wait for 1-2 seconds" (which is more like 3 seconds on my system) should be replaced by an entry in the right-click menu. For fast renaming, a shortcut (F2) can be used, which already works.
> 
> I spotted the following (existing) issue:
> 
> * Open Phase 5
> * Delete Phase 2
> * The graph changes. Phase 6 is now displayed while the selection still shows Phase 5.
> 
> I don't think deleting a non-opened phase should affect the currently opened one, right?

Thanks for testing @TobiHartmann !

I agree that a right-click menu is more convenient. I added this functionality and updated the PR. 

The issue with the deleting is known and it already exists an bug report: https://bugs.openjdk.org/browse/JDK-8294066

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PR: https://git.openjdk.org/jdk/pull/10873