Bug 107978 [Markers] New filter is not selected in problems filters dialog
20050823 If you add a new filter it is not selected in the problems filters dialog
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/views/markers/internal/DialogMarkerFilter.java
if (!(element instanceof MarkerType)) {
                return ""; 
            }
            MarkerType type = (MarkerType) element;
            if (columnIndex == 0) {
                return type.getLabel();
            }
            if (columnIndex == 1) {
                String superTypes = ""; 
                MarkerType[] supers = type.getSupertypes();
                for (int i = 0; i < supers.length; i++) {
                    superTypes += supers[i].getLabel();
                    if (i < supers.length - 1) {
                        superTypes += "; "; 
                    }
                }
                return superTypes;
            }
            return ""; 
        }
    }
    /**
     * Creates and manages a group of widgets for selecting a working 
     * set marker filter.
     */
    private class WorkingSetGroup {
        private Button button;
        private Button selectButton;
        /**
         * Creates the working set filter selection widgets.