Bug 94959 Doubli-clicking on 'workspace matches' separator in Open Type dialog closes it
N20050512-0010 Since the separator is not a valid selection, the dialog should stay open
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/dialogs/TypeSelectionComponent.java
private IDialogSettings fSettings;
	private boolean fMultipleSelection;
	
	private ToolBar fToolBar;
	private ToolItem fToolItem;
	private MenuManager fMenuManager;
	private WorkingSetFilterActionGroup fFilterActionGroup;
	
	private Text fFilter;
	private String fInitialFilterText;
	private IJavaSearchScope fScope;
	private TypeInfoViewer fViewer;
	private ViewForm fForm;
	private CLabel fLabel;
	
	public static final int NONE= 0;
	public static final int CARET_BEGINNING= 1;
	public static final int FULL_SELECTION= 2;
	
	private static final String DIALOG_SETTINGS= "org.eclipse.jdt.internal.ui.dialogs.TypeSelectionComponent"; 
	private static final String SHOW_STATUS_LINE= "show_status_line"; 
	private static final String FULLY_QUALIFY_DUPLICATES= "fully_qualify_duplicates"; 
	private static final String WORKINGS_SET_SETTINGS= "workingset_settings"; 
	
	private class ToggleStatusLineAction extends Action {