Bug 219483 [Markers] MarkerField needs to support font and colours
Some users want to be able to set the font and colour of an entry in the markers view. We should pass in a ViewerCell for this.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/views/markers/MarkerPriorityField.java
*/
		protected CellEditor getCellEditor(Object element) {
			return editor;
		}
		/*
		 * (non-Javadoc)
		 * 
		 * @see org.eclipse.jface.viewers.EditingSupport#getValue(java.lang.Object)
		 */
		protected Object getValue(Object element) {
			return new Integer(((MarkerEntry) element).getAttributeValue(
					IMarker.PRIORITY, IMarker.PRIORITY_NORMAL));
		}
		/*
		 * (non-Javadoc)
		 * 
		 * @see org.eclipse.jface.viewers.EditingSupport#setValue(java.lang.Object,
		 *      java.lang.Object)
		 */
		protected void setValue(Object element, Object value) {
			MarkerEntry entry = (MarkerEntry) element;
			Integer integerValue = (Integer) value;
			try {
				entry.getMarker().setAttribute(IMarker.PRIORITY,
						integerValue.intValue());
			} catch (CoreException e) {
				MarkerSupportInternalUtilities.handle(e);
			}
		}
	}