Bug 147727 UI incorrectly prevents overlapping project locations on disk
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/dialogs/WizardNewProjectNameAndLocationPage.java
private boolean useDefaults = true;
    
    private String initialProjectFieldValue;
    private IPath initialLocationFieldValue;
    
    private String customLocationFieldValue;
    
    private Text projectNameField;
    private Text locationPathField;
    private Label locationLabel;
    private Button browseButton;
    private Listener nameModifyListener = new Listener() {
        public void handleEvent(Event e) {
            setLocationForSelection();
            setPageComplete(validatePage());
        }
    };
    private Listener locationModifyListener = new Listener() {
        public void handleEvent(Event e) {
            setPageComplete(validatePage());
        }
    };