Bug 167170 [Markers] Need to check for duplicate filter names
M3 It is currently possible to enter duplicate filter names
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/views/markers/internal/DialogMarkerFilter.java
typesViewer.setAllChecked(true);
			break;
		case DESELECT_ALL_ID:
			typesViewer.setAllChecked(false);
			break;
		case SELECT_ALL_FILTERS_ID:
			filtersList.setAllChecked(true);
			break;
		case DESELECT_ALL_FILTERS_ID:
			filtersList.setAllChecked(false);
			break;
		default:
			break;
		}
		super.buttonPressed(buttonId);
	}
	/**
	 * Method declared on Window.
	 */
	protected void configureShell(Shell newShell) {
		super.configureShell(newShell);
		newShell.setText(MarkerMessages.filtersDialog_title);
	}
	protected void createResetArea(Composite parent) {
		Button reset = new Button(parent, SWT.PUSH);
		reset.setText(MarkerMessages.restoreDefaults_text);
		reset.setData(new Integer(RESET_ID));
		reset.addSelectionListener(new SelectionAdapter() {
			public void widgetSelected(SelectionEvent event) {
				buttonPressed(((Integer) event.widget.getData()).intValue());