Bug 47922 Double-click does not go into resource folders [package explorer]
build I20031121 - In a self-hosting workspace with UI in source, - On the Java pref page, change the double-click behavior for the package explorer to Go Into. - In the Package Explorer, double-click on org.eclipse.ui. - It goes into the project. - Double-click on the schema folder. - It has no effect. It should go into it. - Choose Go Into from the context menu. - It goes into it OK
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/packageview/PackageExplorerActionGroup.java
String workingSetName= null;
		if (workingSet != null)
			workingSetName= workingSet.getName();
		fPart.setWorkingSetName(workingSetName);
		fPart.updateTitle();
		String property= event.getProperty();
		if (IWorkingSetManager.CHANGE_WORKING_SET_CONTENT_CHANGE.equals(property)) {
			TreeViewer viewer= fPart.getViewer();
			viewer.getControl().setRedraw(false);
			viewer.refresh();
			viewer.getControl().setRedraw(true);
		}
		
	}
	
	private boolean doubleClickGoesInto() {
		return PreferenceConstants.DOUBLE_CLICK_GOES_INTO.equals(PreferenceConstants.getPreferenceStore().getString(PreferenceConstants.DOUBLE_CLICK));
	}
	public FrameAction getUpAction() {
		return fUpAction;
	}
	public FrameAction getBackAction() {
		return fBackAction;
	}
	public FrameAction getForwardAction() {
		return fForwardAction;
	}
}