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Bug 530658

Summary:	Implement tooltip support for edges.
Product:	[Tools] GEF	Reporter:	Tamas Miklossy <miklossy>
Component:	GEF Zest	Assignee:	Tamas Miklossy <miklossy>
Status:	RESOLVED FIXED	QA Contact:
Severity:	normal
Priority:	P3	CC:	matthias.wienand
Version:	unspecified
Target Milestone:	5.1.0 (2019-06)
Hardware:	PC
OS:	Windows 10
Whiteboard:	low-hanging fruit

Description Tamas Miklossy

2018-02-02 07:59:50 EST

Zest already supports tooltips for nodes. This support should be extended to the tooltips for edges as well, as discussed in the GEF forum: https://www.eclipse.org/forums/index.php/t/1083100/

This improvement of GEF Zest would also contribute to the improvement of GEF DOT, since graphviz (and the dot language) already provides support for the 'edgetooltip', 'headtooltip', 'labeltooltip', 'tailtooltip' and 'tooltip' attributes (http://www.graphviz.org/).

Comment 1 Matthias Wienand

2018-10-15 14:10:56 EDT

We could tackle this in multiple steps, i.e. provide the functionality for Zest first and then implement the conversion from DOT to Zest for the individual tooltip attributes.

Comment 2 Tamas Miklossy

2019-05-15 02:02:49 EDT

I created a Pull Request https://github.com/eclipse/gef/pull/68 to solve this issue.

Comment 3 Matthias Wienand

2019-05-17 08:13:57 EDT

Well done! I just merged the PR into master. Therefore, I resolve this ticket as fixed for 5.1.0 M3.

Comment 4 Tamas Miklossy

2019-05-18 04:26:04 EDT

I pushed the following changes to the master branch:

[530658] DOT Graph view - add support for rendering edge tooltips.

- Extend the Dot2ZestAttributesConverter to convert the DOT edge tooltip
and the edge labeltooltip attributes from DOT to Zest.
- Implement corresponding Dot2ZestGraphCopierTest and
Dot2ZestEdgeAttributesConversionTest test cases.

So that the edge tooltip rendering capability is provided by both Zest and DOT.