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[Mathieu Bastian <mathieu.bastian@xxxxxxxxx>]

** Changed in: gephi
       Status: Fix Committed => Fix Released

** Changed in: gephi/0.7
       Status: Fix Committed => Fix Released

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Problems when restoring Ranking Window
https://bugs.launchpad.net/bugs/526126
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Status in Gephi - Network exploration and manipulation: Fix Released
Status in Gephi 0.7 series: Fix Released

Bug description:
Problems appears if Ranking Window has been closed and be reopened after new Gephi start. When restored after a project has been created or opened, its controls stays disabled. Then, if workspace is changed, it throws the following exception:

java.lang.NullPointerException
	at org.gephi.ranking.impl.RankingModelImpl$1.unselect(RankingModelImpl.java:71)
	at org.gephi.project.impl.ProjectControllerImpl.fireWorkspaceEvent(ProjectControllerImpl.java:534)
	at org.gephi.project.impl.ProjectControllerImpl.closeCurrentWorkspace(ProjectControllerImpl.java:456)
	...

Way to reproducte:
1) Open Gephi with a graph file
2) Close Ranking window
3) Restart gephi
4) Open a graph file
5) Got to Window > Ranking 
The Ranking window has disabled controls
6) Create a new workspace (Ctrl + N)
7) Switch workspace
Throw NullPointerException