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
*/
			public void widgetSelected(SelectionEvent e) {
				updateForSelection();
			}
		});
		return button;
	}
	/**
	 * Creates the area showing which resources should be considered.
	 * 
	 * @param parent
	 *            the parent composite
	 */
	protected void createResourceArea(Composite parent) {
		Composite group = new Composite(parent, SWT.NONE);
		group.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
		group.setLayout(new GridLayout());
		group.setFont(parent.getFont());
		anyResourceButton = createRadioButton(group,
				MarkerMessages.filtersDialog_anyResource);
		anyResourceInSameProjectButton = createRadioButton(group,
				MarkerMessages.filtersDialog_anyResourceInSameProject); 
		
		
		selectedResourceButton = createRadioButton(group,
				MarkerMessages.filtersDialog_selectedResource);
		selectedResourceAndChildrenButton = createRadioButton(group,
				MarkerMessages.filtersDialog_selectedAndChildren);
		workingSetGroup = new WorkingSetGroup(group);
	}