Bug 15656 Two differerent Views are called "packages"
There are two different views called Packages - one in the Java Browsing perspective and one in the Java Perspective. This is very confusing for someone trying to get one of the using Show V
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/browsing/ProjectsView.java
return null;
			case IJavaElement.JAVA_PROJECT:
				return je;
			case IJavaElement.PACKAGE_FRAGMENT_ROOT:
				if (je.getElementName().equals(IPackageFragmentRoot.DEFAULT_PACKAGEROOT_PATH))
					return je.getParent();
				else
					return je;
			default :
				return findElementToSelect(je.getParent());
		}
	}
	
	/*
	 * @see JavaBrowsingPart#setInput(Object)
	 */
	protected void setInput(Object input) {
		
		if (input != null)
			super.setInput(input);
		else
			getViewer().setSelection(null);
	}
	
	protected void createActions() {		
		super.createActions();
		fActionGroups.addGroup(new ProjectActionGroup(this));
	}		
}