Some Eclipse Foundation services are deprecated, or will be soon. Please ensure you've read this important communication.

Bug 351674

Summary:	[CompositeDiagram] Can't show the label of a Port after hiding it
Product:	[Modeling] Papyrus	Reporter:	saadia dhouib <dhouib>
Component:	Core	Assignee:	Project Inbox <mdt-papyrus-inbox>
Status:	NEW ---	QA Contact:
Severity:	normal
Priority:	P3	CC:	benoit.maggi, papyrus-bugs, vincent.lorenzo
Version:	0.8.1
Target Milestone:	---
Hardware:	PC
OS:	Windows XP
Whiteboard:

Description saadia dhouib

2011-07-11 04:30:49 EDT

Steps to reproduce:
1. create a composite structure diagram
2. create a class
3. create a port
4. hide the label of the port (through no connetor's label button)
5. close the model
6. reopen the model
7. try to show the label of the port

Comment 1 Ansgar Radermacher

2013-03-18 11:36:13 EDT

Still reproducible with Kepler 0.10.X. There is an exception.

 java.lang.NullPointerException
	at org.eclipse.papyrus.uml.diagram.menu.actions.ShowHideLabelsAction$ContentProvider.getParent(ShowHideLabelsAction.java:459)
	at org.eclipse.jface.viewers.AbstractTreeViewer.getParentElement(AbstractTreeViewer.java:1714)
	at org.eclipse.jface.viewers.TreeViewer.getParentElement(TreeViewer.java:607)
	at org.eclipse.jface.viewers.AbstractTreeViewer.internalExpand(AbstractTreeViewer.java:1641)
	at org.eclipse.jface.viewers.CheckboxTreeViewer.setCheckedElements(CheckboxTreeViewer.java:482)
	...

Comment 2 Toni Siljamäki

2013-10-09 10:36:57 EDT

The same is valid for all ports = also in component diagrams,
since the port and its label are trated as separate model elements.

See additional info in Bug 417394.

Comment 3 Benoit Maggi

2016-11-23 07:45:51 EST

Still valid in Neon.1

Comment 4 Benoit Maggi

2017-08-31 10:03:59 EDT

Still valid in Oxygen.0