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/ExtendedMarkersView.java
getCategoriesToExpand().add(next);
			}
		}
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.ui.part.ViewPart#saveState(org.eclipse.ui.IMemento)
	 */
	public void saveState(IMemento memento) {
		super.saveState(memento);
		memento.putString(TAG_GENERATOR, builder.getGenerator().getId());
		memento.putString(TAG_PART_NAME, getPartName());
		if (!getCategoriesToExpand().isEmpty()) {
			IMemento expanded = memento.createChild(TAG_EXPANDED);
			Iterator categories = getCategoriesToExpand().iterator();
			while (categories.hasNext()) {
				expanded.createChild(TAG_CATEGORY, (String) categories.next());
			}
		}
		builder.saveState(memento);
	}
	/**
	 * Select all of the elements in the receiver.
	 */
	void selectAll() {
		viewer.getTree().selectAll();
	}
	/**
	 * Set the category group for the receiver.